125 Fortune 500 projects settled down! Two hundred billion industries broke out in this coastal new city.

CCTV’s large-scale media activity "Hundred Years and Hundred Cities" came to Yantai City, Shandong Province. Yantai was one of the first coastal open cities in China in 1984, and it was a new coastal city rising from the saline-alkali wasteland.

  The reporter came to the Folaishan Citizen Cultural Park in Yantai Economic and Technological Development Zone, which is only more than 1000 meters away from the seaside. The sea has formed its high-quality ecology and provided natural location advantages for urban development here.

  After more than 30 years of vicissitudes, the once saline-alkali beach has become a modern coastal new city. At present, 125 Fortune 500 projects have taken root in Yantai Development Zone, and the output value of the two leading industries of machinery, automobiles and electronic information has exceeded 100 billion yuan. Strategic emerging industries have risen strongly, and two industrial clusters, advanced structural materials and biomedicine, have been selected as the first batch of 66 national strategic emerging industrial clusters in China, and the total production capacity of MDI materials ranks first in the world.

  Liu Jianmin, Deputy Secretary of the Working Committee and Deputy Director of the Management Committee of Yantai Development Zone: Like many development zones in China, the development model of Yantai Development Zone is to expand the secondary production, promote the integration of the tertiary production and the production city, and finally rise from a barren beach to a new coastal city.

  In recent years, Guxian Street in Yantai City has further promoted the construction of the cultural brand of "Famous Town of Shandong Cuisine", taking Shandong Cuisine Industry as the core, giving consideration to culture, function and architecture, and planning to build an industrial cluster with the characteristics of ancient Shandong Cuisine.

  Yu Fangqing, Deputy Secretary of the Party Committee and Director of the Office of Guxian Street, Yantai City, Shandong Province: The ancient history and humanities are very long. Besides Shandong cuisine, there are also very rich historical and cultural elements. There are mountains, waters, stories, delicious food and wine.

Successfully returned! A new generation of spacecraft opens a new chapter in manned space flight and moves forward to the world’s first class.

"Separation of the return capsule" and "entry into the atmosphere" … accused the hall operator of staring at the screen, and the measurement and control instructions came one after another. With three huge red and white "umbrella flowers" in full bloom over Jiuquan Dongfeng recovery landing site, the return capsule slowly swayed and landed on the ground. The return capsule is getting closer and closer to the ground, six airbags are opened, and the landing buffer is smooth, and the flight test mission is a complete success!

The moment the return capsule landed smoothly, warm applause immediately resounded through the hall in beijing aerospace control center.

At 13: 49 on May 8, the return capsule of a new generation of manned spacecraft test ship, which was developed by the Fifth Research Institute of China Aerospace Science and Technology Corporation, successfully landed in the predetermined area of Jiuquan Dongfeng Recovery Landing Site, which marked the complete success of the test ship’s flight test mission and also meant that China’s manned space industry opened a new chapter.

Simulation diagram of a new generation of manned spacecraft in orbit

Seven key technologies of perfect verification

The new generation manned spacecraft is a new generation of round-trip transport aircraft for China’s near-earth space station operation and manned lunar exploration. It has the characteristics of high safety, high reliability, multi-task adaptability and modular design, and adopts a new configuration of "return cabin+service cabin". Spacecraft can be used in low-earth orbit to support the construction of China’s space station, and it is also competent for the exploration of more distant deep space such as manned landing on the moon. It also has the powerful ability of "transporting people+transporting goods" and can transport 6-7 astronauts at a time when performing low-earth orbit tasks.

The new generation of manned spacecraft adopts many new technologies and products, especially in terms of reliability, safety, comfort, economy and intelligence.

The main goal of this mission is to verify the correctness of the new generation manned spacecraft scheme. It is understood that in order to verify more technologies and equipment, the development team of the Fifth Academy arranged high-density flight events for the test ship. During the on-orbit flight, the test ship has to complete dozens of key actions and carry out a number of carrying tests. It can be said that every minute is fully scheduled.

From successful launch to safe return, the test ship performed perfectly. For the Fifth Academy, seven key technologies that they are most concerned about and related to the success or failure of the mission have been verified one by one, which points out the direction for the development of new spacecraft in the next stage.

A new generation of manned spacecraft under test

These seven key technologies are:

In the on-orbit flight stage, the first single-component non-toxic engine with the highest thrust in the world successfully completed its debut.The HAN propellant used in this engine has the advantages of non-toxicity, pollution-free, low freezing point, high density, high specific impulse and low maintenance cost. It will completely replace the existing propellant in the future and further improve the safety of astronauts.

The maximum volume surface tension tank used for spacecraft in China for the first time performed perfectly.This tank adopts aluminum alloy lining and composite material winding structure, which has more loading capacity and can provide greater orbital maneuverability for the test ship. During the on-orbit flight, the test ship easily completed many orbit changes and entered the large elliptical orbit, which created sufficient conditions for high-speed reentry and return with large reentry angle.

A more comprehensive integrated electronic system is worthy of trust.During the mission, the system successfully completed the functions of the whole ship bus management, time system management, data storage, contact signal processing and thermal control management, which made the spacecraft run more efficiently.

Smarter autonomous track control technology plays an outstanding role.During the on-orbit operation, the attitude control engine performs attitude control, maintaining the attitude stability of the three-axis to the ground and during orbit change and braking; The orbit control engine changed its orbit several times, and successfully executed the return braking, which accurately controlled the test ship to complete the space flight.

In the reentry and return phase, the new heat-proof structure and materials adopted for the first time have been tested.. The whole thermal protection structure maintains a very high thermal protection efficiency on the basis of reducing the weight by more than 30% year-on-year. The new lightweight heat protection material not only withstood thousands of degrees of high temperature ablation during reentry and return, but also protected the safety of the return cabin. Moreover, the heat protection structure adopts the detachable replacement design for the first time, which can effectively improve the reusable rate. After returning, only one "physical examination" is needed, and a new heat-proof structure is replaced, so that the return capsule can be put into the next mission.

For the first time, the group parachute pneumatic deceleration and airbag landing buffer technology were adopted to escort home.. After the return capsule entered the atmosphere and reached the specified height, two deceleration umbrellas and three main umbrellas were opened in turn, which successfully reduced the speed of the return capsule from "aircraft flight speed" to "automobile city driving speed"; Before landing, six airbags were inflated and opened to help the cabin "soft landing" smoothly, ensuring the safe and complete recovery of the return cabin to the greatest extent.

Tailor-made on-orbit data acquisition system provides scientific support for future development.During the mission, the system obtained the impact load of ship-rocket separation and the load environment of carrying launch, on-orbit flight and return landing through various sensor networks. By measuring the pressure and temperature of the characteristic points on the bottom and sidewall surface of the return capsule, the aerodynamic and thermal characteristics of the return capsule during high-speed reentry are obtained. These valuable data will provide important reference for the development and optimization of subsequent models of new spacecraft.

The new generation of manned spacecraft is larger in size, more functional, more intelligent and autonomous, and adopts reusable technology.

China manned spacecraft technology from running to running.

Manned space flight represents a country’s comprehensive national strength and scientific and technological strength, and can promote the development of multidisciplinary and multi-technical fields. According to official information, China began to explore manned space technology in the 1960s. After the successful launch of the Dongfanghong-1 satellite, the manned space program codenamed "Project 714" was fully promoted, and the development plan of the "Shuguang-1" manned spacecraft of this project was officially launched. However, due to various reasons, the development of the "Shuguang-1" manned spacecraft finally stopped.

In 1992, China’s manned spaceflight project was officially launched. In the early morning of November 20, 1999, the Shenzhou-1 spacecraft was launched, and the curtain of China’s manned space flight slowly opened. On October 15th, 2003, Shenzhou 5 was launched. Astronaut Yang Liwei started the return procedure after flying around the earth for 14 times and 21 hours in Shenzhou 5, and returned smoothly, realizing Chinese’s dream of flying for thousands of years.

"Dawn One" spacecraft looks like a bullet head.

Since 1999, China has launched a total of 11 shenzhou spaceship, including 6 manned spacecraft and 5 unmanned spacecraft, and also launched 2 space laboratories, with 11 China astronauts and 14 people completing space trips, with the longest in-orbit time reaching 30 days; Achieve multiple firsts-astronauts’ first space outing, first rendezvous and docking, first space teaching …

At the press conference of the first mission of the Long March V B carrier rocket held on the evening of May 5, Ji Qiming, assistant director of the China Manned Space Engineering Office, introduced that China’s space station will be completed around 2022, with a total of 12 missions planned. After this mission, the core module and the experimental module will be launched successively to carry out on-orbit assembly and construction of the basic configuration of the space station; During the period, it is planned to launch four Shenzhou manned spacecraft and four Tianzhou cargo spacecraft to carry out crew rotation and cargo replenishment.

Facing the mission demand of China’s manned space flight to further deep space, in 2015, the Fifth Academy demonstrated and put forward the plan of developing a new spacecraft test ship to carry out high-speed reentry flight test. From January 2017 to December 2019, in just three years, the Fifth Academy completed the scheme design, product development, whole ship assembly, comprehensive test and large-scale test, broke through a large number of key technologies, and built this new spacecraft test ship from scratch, carrying new hopes and opening up new "heavenly roads".

Shenzhou VII astronauts left the cabin for the first time.

After mission verification, the main technical indicators of the new generation manned spacecraft test ship have reached the international advanced level. The Paper (www.thepaper.cn) learned from the Fifth Academy that compared with the international advanced space shuttle spacecraft, China’s new generation of manned spacecraft is no less capable, and they all have the ability to adapt to multi-task requirements, greater orbital maneuverability, and land and water landing capabilities.

The new spacecraft is more intelligent, and the GNC system of the spacecraft can independently control the flight of the spacecraft, which further improves the autonomous operation ability, improves the on-orbit survivability and application potential, and reduces the maintenance and operation cost, which is of great significance to the follow-up deep space exploration and the development of manned space models in China. The new spacecraft can also "see a doctor" for itself. During the flight, it pays close attention to its own health in real time. Once there is a problem, it "diagnoses" itself through the intelligent algorithm of the system, finds the lesion and removes it temporarily or permanently.

The new spacecraft is more cost-effective. The new spacecraft can be reused, and the use cost is greatly reduced. In order to reduce the cost of entering space, the return cabin of a new generation of manned spacecraft is designed by aerospace engineers to be reusable, and some high-value equipment, such as star sensors and computers, are adjusted from service cabin to return cabin after optimization design, so that they can be recycled after returning with the return cabin. A new lightweight thermal protection structure independently developed by China is coated outside the return capsule. After the mission is completed, only the lightweight thermal protection structure needs to be replaced, and the manned space mission can be carried out again after strict inspection. In order to achieve multi-functional use, the new spacecraft adopts a modular design of "building blocks". Different mission requirements can be completed through the same return cabin and different service cabin configurations.

The successful mission of the test ship indicates that a new generation of manned spacecraft in China has taken shape. It is understood that the Fifth Academy will, in combination with the mission requirements, carry out in-depth demonstration of the overall scheme of a new generation of manned spacecraft, improve and develop a new generation of manned spacecraft with high carrying capacity and cargo transportation capacity as soon as possible, and adapt to the near-earth space station and manned deep space exploration mission, so that China’s manned space transportation technology can fully realize the leap from running to running, so that Chinese’s pace of exploring space can be more stable and further, and contribute more to the early realization of the great dream of building a space power.

Let "rare diseases" no longer be "orphans" —— What is the expectation of "one pill" for patients with major diseases?

Xinhua News Agency, Beijing, February 20th Question: Let "rare diseases" no longer be "orphans"-What is the expectation of "one pill" for patients with major diseases?

Xinhua News Agency reporters Xiao Sisi, Liao Jun, Bao Xiaojing and Lin Miaomiao

Following the price reduction of some anticancer drugs and medical insurance, "ensuring the use of drugs for 20 million patients with rare diseases" was put on the agenda and attracted much attention. Recently, the State Council held an executive meeting to deploy measures to strengthen the early diagnosis and treatment of cancer and drug security, and decided to give VAT concessions to rare drugs.

From frequently-occurring and common diseases to rare and difficult diseases, the state has played a "combination boxing" to meet the expectations of patients with major diseases for "one pill".

Prevention and treatment of rare diseases play a "combination boxing"

Rare diseases are often called "medical orphans" because of their few clinical cases and little experience, which leads to high misdiagnosis, high missed diagnosis and difficult medication.

Feifei, a two-year-old boy from Hefei, Anhui, suffers from "painless anhidrosis". He often bites his fingers until they are bloody and pulls out his four teeth with his hands, but there is no pain. There are only about 100 cases of this rare disease in the world.

Feifei’s "painless anhidrosis" is one of the more than 7,000 rare diseases confirmed at present. According to the definition of the World Health Organization, rare diseases refer to diseases in which the number of patients accounts for 0.65 ‰-1 ‰ of the total population, including gradual freezing, "glass man" (hemophilia), "puppet man" (multiple sclerosis), involuntary dancing (Huntington’s disease), limp children (spinal muscular atrophy), PNH (paroxysmal nocturnal hemoglobinuria) and so on. In fact, rare diseases are not rare. There are more than 7,000 rare diseases, and the total number of patients with all rare diseases in China has reached more than 20 million …

Pan Longfei, 30, is a patient with Kalman syndrome. This is a rare hereditary disease. Because of hypogonadism, patients suffer from hypoplasia or loss of secondary sexual characteristics, in addition to the loss of sense of smell.

"I was diagnosed at the age of 23." Pan Longfei said that since he was a child, he was thinner and sicker than others. From the age of 6, his parents took him everywhere for medical advice, and it was not until he was 23 years old that he was diagnosed. Every two or three days, he needs to inject human chorionic gonadotropin (HCG) to maintain hormone balance in the body. Pan Longfei said that there is a saying in the industry that "rare diseases are rare, but doctors who can see rare diseases are actually even rarer."

Zhang Shuyang, vice president of Peking Union Medical College Hospital, believes that "from caring for frequently-occurring and common diseases to caring for rare and difficult diseases, especially rare diseases with poor prognosis, caring for patients with rare diseases is the embodiment of social development and civilization, and also represents the fairness and justice of medical treatment. The standardization of diagnosis and treatment of rare diseases and the development of orphan drugs will also drive the development of the overall level of medicine. "

In the past year, the country gradually standardized the diagnosis and treatment of rare diseases.

The 2018 edition of the National Essential Medicines Catalogue and the First Batch of Rare Diseases Catalogue jointly formulated by five departments including the National Health and Wellness Commission have been published one after another … Cancer and rare disease patients have ushered in hope.

Recently, from cancer to rare diseases, the state once again introduced a "combination boxing" for the prevention and treatment of major diseases.

-ensuring medication for patients with rare diseases. Following the State Council’s inclusion of supporting "orphan drugs" in the key task of deepening medical reform in the 13th Five-Year Plan in December 2016, on February 11th this year, the Standing Committee of the State Council decided to give value-added tax concessions to drugs with rare diseases. From March 1st, for the first batch of 21 medicines with rare diseases and 4 APIs, VAT will be levied at a reduced rate of 3% for the import link with reference to anticancer drugs, and at home, VAT can be levied at a simple rate of 3%.

On February 15th, official website, National Health Commission issued the Notice of the General Office of the National Health and Wellness Commission on Establishing a National Collaborative Network for Diagnosis and Treatment of Rare Diseases, and selected 324 hospitals with strong diagnosis and treatment capabilities and more cases as collaborative network hospitals to form a collaborative network for diagnosis and treatment of rare diseases.

According to Wang Ping, Director of the Department of Drug Registration of National Medical Products Administration, a special review mechanism has been established for overseas new drugs that are urgently needed in clinic, and the first batch of 48 varieties that are urgently needed in clinic have been selected, including therapeutic drugs for rare diseases and some drugs that are seriously life-threatening. The approval time for therapeutic drugs for rare diseases is concluded within 3 months, and for other urgently needed therapeutic drugs, it is concluded within 6 months. In 2018, 18 new anticancer drugs were approved, an increase of 157% over 2017.

Shorten the "reflex arc" of policy dividends to the grassroots.

Reporters at the grassroots level found that the inability to buy medicine and the high cost of treatment have become a "life and death test" for patients with rare diseases.

The number of patients with some drugs is too small, pharmaceutical companies are unwilling to produce, and patients have no drugs available.

Zhang Shuyang said that among the 121 diseases listed in the first list of rare diseases, there are 54 medicines available for 39 diseases. Among them, 29 drugs listed in China can treat 21 diseases. There are also most rare diseases for which no medicine is available.

Some drugs for rare diseases are expensive, which makes patients daunting. Qin Jiong, director of pediatrics at Peking University People’s Hospital, said that in the United States, the average annual treatment cost for patients with rare diseases is $137,000, a large proportion of which is medicine.

In Wuhan Children’s Hospital, Xiao Yuzhe, who is more than one year old, lies quietly in his mother’s arms, his palm-sized face is covered by a mask, and his small hand is stuck with an indwelling needle. Xiao Yuzhe has been in the hospital for nearly five months.

"Langerhans histiocytosis-his father and I were stunned after hearing the doctor’s diagnosis. Two people sat outside holding their mobile phones and found out that they were crying with their children." Yuzhe’s mother counted with her fingers, and she has spent more than 110,000 yuan since she was admitted to the hospital. "I heard that the follow-up treatment will cost more than 100,000 yuan."

"cladribine, a needle costs more than 7000 yuan, one course of treatment takes 5 sticks, and the follow-up takes 3 or 4 courses. This does not include the cost of other therapeutic drugs. " Li Hui, deputy director of the oncology department of the hospital, said that Yu Zhe’s disease can’t be regarded as leukemia, and it can’t rely on solid tumors. He can’t even enjoy the policy of serious illness relief. This time, the country has published a list of rare diseases, and recently, the tax burden of these rare drugs has been greatly reduced, and the prices should be lowered accordingly, which brings a glimmer of hope to the families of rare patients like Yuzhe’s mother.

Due to the small amount of drugs used for rare diseases and the large investment of enterprises in drug research and development, the drugs for rare diseases produced in China are often scarce or expensive. However, this situation has gradually improved.

For example, Professor Liu Li, Chairman of the Rare Diseases Branch of Guangdong Medical Association and Director of the Department of Genetics and Endocrinology of Guangzhou Women and Children Medical Center, used to want to get drugs for treating rare diseases, but they could not be bought through formal channels. After the patient tried his best to buy the medicine, the hospital dared not give it to the patient. "With the introduction of a series of policies, some therapeutic drugs included in the list of rare diseases have quickly entered the China market through the green channel."

Reporters in Guangdong, Anhui, Hubei and other places learned that 17 kinds of anticancer drugs negotiated by the state have landed, and patients can enjoy medical insurance reimbursement. According to the Anhui Provincial Medical Insurance Bureau, while ensuring the implementation of 17 kinds of anticancer drug policies negotiated by the state, Anhui implemented quantity procurement for another 13 kinds of anticancer drugs at the end of 2018, and the average price of these 13 kinds of drugs dropped by 39.52%. For example, the drug with the biggest drop is gefitinib tablets for the treatment of non-small cell lung cancer, from more than 1,000 yuan per box to more than 400 yuan.

What other "prescriptions" are eagerly awaited by the masses?

At the grassroots level, what are the eager hopes for patients with major diseases to use drugs?

-Strengthen the research and development of new drugs and improve the accessibility of patients’ medication.

Ensuring the supply of orphan drugs is the basis for patients with rare diseases to "save their lives".

Experts from Beijing and Guangzhou believe that it is an indisputable fact that many patients with rare diseases are prone to early disability and young death. It is imperative for hospitals to buy medicines first.

Li Hui and other experts believe that the treatment of rare diseases mainly depends on drugs, and the proportion of drug expenditure in the main medical expenditure of patients with rare diseases often reaches 80% or even higher. The preferential tax on import has brought positive influence to the market of rare disease drugs. If patients with rare diseases can afford high-end drugs, the fundamental solution is to strengthen the production and research of independent drugs.

Yan Shijie, director of gynecology department of the First Affiliated Hospital of Anhui Medical University, believes that "orphan medicine" needs the support of national policies, directional production, tax reduction and exemption, and at the same time, the establishment of national reserve system and alarm mechanism to adjust supply and demand in time.

-Accelerate the improvement of the diagnosis and treatment system for major diseases such as cancer, promote the screening of rare diseases and cancers, and make efforts to reduce the mortality rate.

Early screening and early treatment are the first line of defense-according to clinical statistics, more than 80% of rare diseases are caused by heredity. Li Long, chief physician of Beijing Pediatric Research Institute, believes that the establishment of prenatal screening and physical examination for children is the cheapest and most efficient means to prevent and treat rare diseases. In addition, improving the standardized diagnosis and treatment of rare diseases nationwide, especially strengthening preventive treatment, can prevent them in advance and reduce the disability and death of rare diseases.

Liu Li believes that the establishment of the national rare disease cooperation network is to make the diagnosis and treatment of rare diseases relatively centralized and two-way referral, reduce misdiagnosis and mistreatment, and give patients with rare diseases who have already developed a more suitable diagnosis and treatment plan.

-Optimizing the medical security system. Clinical experts believe that some targeted drugs and immunotherapy are expensive, and it is necessary to establish a multi-level security system and a multi-payment system as soon as possible.

Hao Chunpeng, president of China Medical Insurance Magazine, believes that it is necessary to establish a multi-level medical security system, provide social support through medical assistance and charity, and make various high-level supplements through commercial insurance to ensure people’s different levels of medical needs.

 

From "working in the city" to "returning to the mountains for gold": 200 thousand started to help more than 100 people work to increase their income

Li Xin is very proud that it can help more young people returning home to start businesses. (Photo by wanglili)

Li Xin is very proud that it can help more young people returning home to start businesses. (Photo by wanglili)

  Cctv news(Reporter wanglili): Yinchanggou Village, Foping County, Shaanxi Province is a mountain except a mountain.

  In 2006, in order to make a living, only Jiang Dong, a villager with junior high school education, walked out of the mountain in Yinchanggou Village. At the age of 20, he felt that only by going out could he see hope and get rid of poverty.

  In 2013, Jiang Dong, who had been working outside for seven years, was getting married and returned to his hometown with his wife Li Xin, who also worked in Wuxi Hotel.

  After the banquet, looking at the elderly parents and thinking about the upcoming baby, after repeated discussions, the two decided not to go out and stayed in their hometown to find a way to start a business.

  At this time, my hometown is still a high mountain, and the monotonous and repetitive scene makes Jiang Dong feel very confused. "When I was in Wuxi, the two of us worked in hotel management, and we had experience in this field. We wanted to continue to engage in our old job, but our hometown simply did not have these resources and needs."

  Just when the couple were at a loss, they accidentally walked into the furniture city, and a palm mat with a selling price of nearly 10,000 yuan suddenly aroused Jiang Dong’s interest. "There are mountain palms all over the mountains in my hometown. Why can’t we make our own palm mats?"

  As the saying goes, relying on mountains to eat mountains, relying on water to draft. Yinchanggou village has more than 6500 mu of forest land, which is very rich in forest land resources. Wild palm is a common forest in Qinling Mountain, which has the characteristics of moisture resistance, corrosion resistance and no insects. However, the mountain palm resources can not be further processed, which is also a problem that has been puzzling the local income increase. In this way, the green, environmentally-friendly and promising palm mat project was supported by the local government. At the end of 2014, Jiang Dong and his wife Li Xin, after systematically learning related technologies, took more than 200,000 yuan accumulated from working and set up a mountain palm professional cooperative in their farmyard.

  After several years of hard work by the couple, the humble palm forest on the hillside has become a beacon. “6— 16 cm palm mat, the current market price is 480 yuan — From 3,000 yuan, we can sell more than 20 palm mats a day, with a turnover of 30,000 yuan. " Li Xin said.

  Like many mountain villages, the villagers in Yinchanggou Village are mostly elderly people, and the loss of young and middle-aged people is serious. Many elderly people and women who stay at home have to take care of their children and fields, so they can’t go to work in the factory. According to their living characteristics, Li Xin distributed some of the knitting, sewing and packaging of brown mats so that they could finish them at home.

  "In this way, they can not only take care of their families, but also have extra income to subsidize their families." Li Xin said that at present, the company has changed from the original small family workshop to industrial production, with an annual output value of 27 million yuan. In addition, by encouraging villagers to work in factories, share shares and share dividends, and collecting and sorting brown hair, transportation and sales, more than 100 people were recruited to work and increase their income, which was recognized by Foping County as a "demonstration base for returning migrant workers’ entrepreneurship".

  If education is a long-term way to change the face of poverty, Mao Youbin, secretary of the branch of Yinchanggou Village, thinks that the rural economy can be better developed by giving the people the job opportunity to earn money and support their families at home, and by increasing their income through employment nearby.

  "It is necessary to introduce enterprises, stay and serve well." In the interview, this is what the reporter heard the most from the local cadres. From individuals to groups, from rural areas to cities, from leaving to feeding back, with more and more policy support, I believe that more and more people who leave home are preparing for a better return home.

Big Zhuozhi Driving Small Classroom (9) Can you keep the bottom line of driving safety from end to end?

Submit information and make an appointment for consultation. For more information, please enter the company email address to check the details. If you have any questions, please send an email to the following email address to inquire about data-group@gasgoo.com’s consultation telephone number: 021-39586681. Submit the replay of Dazhuo Zhijia Small Classroom immediately. (9) Can you keep the bottom line of driving safety end to end? +Pay attention to Gaishi Automobile Bi Yuling 2025-03-27 How much do you know about intelligent driving? Da Zhuo Zhi drives a small class to take you to quickly increase your knowledge! Issue 9: Can end-to-end keep the bottom line of driving safety? 6 WeChat friends circle related articles Dazhuo Zhijia small class (7) What kind of solution do you need to drive out to sea? Bi Yuling’s great wisdom drives a small classroom (6) What are the problems faced by wisdom driving out to sea? Bi Yuling drives a small class with great wisdom (5) How long before AI’s driving ability surpasses human drivers? Bi Yuling’s Big Smart Driving Classroom (4) How to understand that VLA will become the optimal solution for the next generation of high-level smart driving mass production? Bi Yuling’s big, outstanding and intelligent driving class (3) How the big model makes intelligent driving smarter Bi Yuling comments on opening the APP, and see more comments. The global vision of the Geshi car APP, the voice of China, come and experience it. Open the prompt and automatically close it after 2 seconds.

2024 understands the car emperor’s summer test to challenge AEB’s active safety function on rainy nights, and Huawei’s performance is outstanding.

With the development of intelligent driving technology, more and more cars are equipped with AEB active safety function, which can automatically stop or avoid when encountering obstacles ahead, greatly improving vehicle safety. In the summer test of knowing the car in 2024, AEB active safety test is one of the key subjects. With the help of Wuhan Intelligent Networked Automobile Test Site, the test can simulate the rainy environment at night and test the safety performance of automatic driving of vehicles. Thirty-five popular models including Wenjie M7, Ideality L7, Xiaomi SU7, Changan Qiyuan A07, Aouita 12, BMW i5, Wangwang U8 and Qin L DM-i participated in the test.

According to the test rules, the test vehicle will go to the rainy night road with stationary obstacle ahead at the speed of 60/70/80km/h to test whether it can successfully avoid or stop in time, and give drivers and other traffic participants danger tips and corresponding protection.

The results show that among all the 35 vehicles tested, 16 vehicles passed the 60/70/80km/h interval test, accounting for 45.7%. Except Volvo EM90, all the others were domestic new energy vehicles.

There are 7 models that have passed the test at 80km/h, namely: Wenjie M7, Weilai ET5, Aouita 12, Zhijie S7, Wenjie M9, Tengshi N7 and Tucki G6. The first 4 models have taken the initiative to bypass when encountering a faulty car.

Huawei’s four models with ADS PRO V2.0 version: Aouita 12, Wenjie M7, Wenjie M9 and Zhijie S7, have the leading test results. They all passed the test with a speed of 80 km/h. Among them, the M7 has early warning, double flashing and seat belt pretensioning at the same time, which gives drivers, the rear car tips and pre-protection in the car, showing the highest level of intelligent driving in China.

During the test, Know Car Emperor conducted a live broadcast, and invited a number of car companies and industry experts to jointly supervise. Netizens can also ask questions at any time in the live broadcast room. Seeing many wonderful scenes of test vehicles stopping or bypassing in extreme environment, netizens praised the barrage screen.

Disclaimer: The market is risky, so you should be careful when choosing! This article is for reference only, not as a basis for trading.

Self-improvement through science and technology, and "exhibition matrix" exert their strength … The achievements in many fields are fruitful and the high-quality development steps are sonorous.

CCTV News:The Shenzhou-18 manned spacecraft was aimed at launching at 8: 59 pm on April 25, and the spacecraft took off at Jiuquan Satellite Launch Center on the Long March II F-18 rocket. Ye Guangfu, Li Cong and Li Guangsu, astronauts of Shenzhou 18, started their space journey.

Dream by Dream and Universe China Xingchen

The National Space Administration announced the latest progress of the International Lunar Research Station.

On April 25th, the National Space Administration announced the latest progress of the International Lunar Research Station. China’s lead organization of the International Lunar Research Station has attracted more than 10 countries and institutions to join, and it is planned to build the basic model by 2035, with the lunar south pole as the core to carry out lunar environmental exploration and resource utilization test verification, and the extended construction with the lunar orbit station as the hub, and it is planned to be completed by 2045.

Long March 8 launch vehicle releases new configuration

On April 25th, the Long March 8 series launch vehicle released a new configuration. The new configuration is named Long March 8 A carrier rocket, which adopts double booster configuration, and its carrying capacity is increased from 5 tons to 7 tons in the original configuration. The fairing has a larger diameter, which can complete the launching task of more specifications and loads, realize multiple satellites with one arrow, and further enhance the launching capability of China’s low-orbit satellite network.

China’s intellectual property protection has achieved great success.

The reporter learned from the press conference of the State Council Press Office held on April 24th that the quantity and quality of intellectual property creation in China have been improved, the intensity of intellectual property protection has been continuously strengthened, and the social satisfaction of intellectual property protection has reached a new high.

According to China National Intellectual Property Administration, in 2023, China authorized 921,000 invention patents, approved 4.383 million registered trademarks and registered 11,000 layout-designs of integrated circuits. According to the Global Innovation Index Report 2023 released by the World Intellectual Property Organization, the number of the top 100 global science and technology clusters in China has reached 24, ranking first in the world for the first time.

At the same time, the protection of intellectual property rights in China has been continuously strengthened. In 2023, China investigated and handled 44,000 cases of patent and trademark violations, 68,000 administrative cases of patent infringement disputes and 4,745 cases of copyright infringement and piracy, and the social satisfaction of intellectual property protection rose to 82.04 points, a record high.

According to reports, China is speeding up the formulation of the implementation plan for the construction project of intellectual property protection system, focusing on the shortcomings and weaknesses in intellectual property protection, and proposing a series of effective measures from seven aspects, including policy standards, authorization and confirmation, law enforcement and justice, protection management, social co-governance, safety governance and capacity support, to further strengthen intellectual property protection.

According to the relevant person in charge of the State Administration of Markets, on April 16 this year, the General Administration of Markets issued the Implementation Plan for the Special Enforcement Action of Protecting Intellectual Property Rights (2024— In 2025), a two-year special campaign will be launched nationwide, which will further strengthen the enforcement of intellectual property rights. The person in charge of the Copyright Administration of Publicity Department of the Communist Party of China said that it will support law enforcement departments at all levels to carry out copyright enforcement, continue to carry out special actions such as "Sword Net Action", youth copyright protection season, and crack down on the illegal recording and dissemination of cinema films, highlight the investigation of major cases and the governance of key industries, and constantly optimize the copyright protection environment.

Expanding the "exhibition matrix" of high-level opening to the outside world has achieved fruitful results.

2024 Zhongguancun Forum opens in Beijing.

On the morning of April 25th, 2024 Zhongguancun Forum opened in Beijing. The theme of this year’s forum is "Innovation: Building a Better World". From 25th to 29th, nearly 120 events will be held.

This forum has set up five sections, including forum meeting, technology transaction, achievement release, frontier competition and supporting activities. The guests discussed around the hot spots of science and technology.

This forum will also hold activities such as technology fair to build a trading and sharing platform for more than 3,000 scientific and technological achievements from more than 40 countries and regions.

The number of overseas buyers attending the 135th Canton Fair exceeded 180,000.

As of 17: 00 on April 25th, more than 180,000 overseas buyers from 214 countries and regions attended the 135th Canton Fair offline, an increase of 21.6% over the same period of last year.

117 world premiere cars appeared in auto china.

On April 25th, 2024 auto china opened, and 117 new cars were unveiled, including 30 cars launched by multinational companies. New energy vehicles accounted for more than 80% of the first new cars, and nearly 20 new energy brands made their debut. During the same period of the auto show, many industry summits, trade negotiations, procurement matching meetings and other activities will be held.

The last joint training before the opening of the 2024 Chengdu World Expo.

The 2024 Chengdu World Horticultural Exposition will open on April 26th. On April 25th, the organizing committee held the last joint training before the Expo, and all the volunteers and traffic safety services for the Expo have been put in place. During the 186-day session, more than 1,000 volunteers will participate in the operation of the park and provide voluntary services such as guidance and consultation for Chinese and foreign tourists.

Promote the high-quality development of energy to a higher level

Shanxi’s coalbed methane production in the first quarter accounted for more than 80% of the national total in the same period.

On April 24, the reporter learned from Shanxi Energy Bureau that in the first three months of this year, the total output of coalbed methane in Shanxi Province reached 3.07 billion cubic meters, up 11.8% year-on-year, accounting for about 80.8% of the national output in the same period. Coalbed methane, commonly known as "gas". It is a dangerous "killer" in coal mining. At the same time, it is also a clean energy and strategic resource that the calorific value is 1-4 times higher than that of general-purpose coal, and combustion hardly produces any waste gas, and countries all over the world are scrambling to develop and utilize it. Shanxi is a province with high enrichment degree and great development potential of coalbed methane resources in China. The exploration and development plan of coalbed methane resources in Shanxi Province (2021— 2025) shows that the predicted resources of coalbed methane with a depth of 2000 meters in Shanxi Province are about 8.31 trillion cubic meters, accounting for nearly one-third of the country.

In the first quarter, the proportion of new installed capacity of non-fossil energy power generation exceeded 90%

The reporter learned from China Electric Power Enterprise Association that in the first quarter of this year, the installed capacity of power generation in China increased by 69.43 million kilowatts. Among them, the installed capacity of new non-fossil energy power generation is 63.76 million kilowatts, accounting for 91.8% of the total installed capacity of new power generation. Power installed capacity continues the development trend of green and low carbon.

China’s major power engineering construction will be reported again.

Recently, China’s first "Shagehuang" wind power base is an extra-high voltage power transmission project — — The Ningxia section of the "Ningdian Entering Hunan" line project officially started the construction of conductor stringing, which marked that the "Ningdian Entering Hunan" project entered a new stage.

On April 23rd, the Ningxia section of the 800 kV HVDC transmission project from Ningxia to Hunan started the construction of conductor stringing in Shangliushui Village, Xutao Township, Zhongning County. The construction workers installed the tight wires and accessories at an altitude of more than 50 meters. Previously, electric workers used 12 different types of tensioners and tractors to spread six wires to the tower synchronously. This stringing work will simultaneously cross three transmission lines, namely, the 750 kV II circuit from the Yellow River to Baiyin, the 110 kV Ningxing line and the 330 kV Bai ‘an line.

The Ningxia section of the "Ningdian Entering Hunan" line project is 258 kilometers long, with 495 new iron towers, 68% of which pass through desert, Gobi and desert, and the lines cross over many. From August to November this year, they will also carry out construction across the Yellow River, railways, expressways and transmission lines with different voltage levels. The project is scheduled to be completed and put into operation in 2025. After the project is put into operation, the annual power transmission will be 36 billion kWh to 40 billion kWh, which is equivalent to the average person in Hunan Province getting about 600 kWh of Ningxia power every year.

The central government issued 1.416 billion yuan for agricultural disaster prevention and relief.

On April 25th, the Ministry of Finance, together with the Ministry of Agriculture and Rural Affairs, issued 1.416 billion yuan of disaster prevention and relief funds for agricultural production from the central government, supporting 30 provinces (autonomous regions and municipalities) including Heilongjiang and Henan, and Beidahuang Agricultural Reclamation Group to carry out prevention and control of diseases and insect pests of wheat, rice and corn, as well as locusts and red imported fire ants in agricultural areas, so as to provide support for high grain yield throughout the year.

The special campaign to rectify "self-media" bottomless traffic was launched.

Recently, the Central Network Information Office launched "Clear and Clean ‘ Since the media ’ No bottom line traffic "special action. The special campaign lasted for two months, focusing on five aspects, such as rectifying self-directed and self-directed fraud, unscrupulously speculating social hotspots, and setting topics in a general way to create a clean and honest cyberspace.

Pet life ranking: modern "pet-loving" way can shorten the life of dogs by 6 years.

Original sixiang studio sixiang studio

In recent years, more and more urbanites choose to keep pets as companions. After a busy day’s work, it is undoubtedly a "charging moment" for pet owners to be greeted by pets at home, and the fatigue is instantly forgotten.

However, there are also many people who also love pets, but they dare not take the step of raising pets, not because of the cost and energy consumption brought by breeding, but because they are afraid of the sadness after losing their "family".

After all, compared with the life span of people, the life span of pets is mostly short. So, what kind of pet can bring relatively long-term companionship?

Text | Big Meng Ni | Roxie Diagram | Four Elephants Design Department

01

What kind of pet do you want to have longer company?

They are also "good friends of human beings", and the life span of different pet breeds is very different.

Hamsters with an average life span of only two or three years have turtles that can live for more than 30 years … … and most pets have an average life span of less than 15 years.

For example, the average life span of our most familiar pet dogs is about 10~13 years; The average life span of pet cats is slightly longer, which is only 12~15 years.

But this is only the average value. In fact, even if it is the same species, the life expectancy of different varieties is not consistent. Take pet dogs as an example, the general rule is that the bigger the body, the shorter the life span. The average life span of large dogs is about 9 years, while that of small dogs can reach 12 years.

It can be said that the companionship of more than ten years is the cornerstone for pets to establish close feelings with their owners.

02

Do pets and owners grow up together?

In many families, pets grow up synchronously with children, and the process of children growing up from babbling toddlers is also the process of pets entering old age from childhood. From this perspective, a pet’s life is also an important part of family memories.

Because the absolute length of pets’ life span is not as long as that of human beings, their growth rate will naturally not be completely synchronized with human beings. Taking pet dogs as an example, there has always been a saying that "a dog born for one year is worth seven years to human beings". Is this really the case?

In fact, the age conversion between dogs and humans is not linear, but variable.

Pet dogs grow very fast when they are young, and they can develop into a state of about 20 years old in half a year. But after rapid adulthood, the pace of maturity of dogs will gradually slow down. When the dog lives to be seven or eight years old, the aging rate will further slow down. At that time, when the dog is one year old, it is probably only equal to one or two years of life.

In many families with pets and babies, there will be a warm scene of pets looking after babies. In the eyes of human parents, it may be that children of the same age are playing with them, but in the inner world of dogs, it may be that mature "middle-aged dogs" are fulfilling their responsibilities and helping young people at home to take care of their cubs.

03

The average life expectancy of people is rising, but pets are declining.

Pets, which occupy an important position in the family, have also buried emotional hidden dangers for their owners-once their lives come to an end, they will bring a huge psychological blow.

It is precisely because of the rising status of pets in the family that human capital investment in pet medical care and even pet funeral has reached an unprecedented height. Many people spend a lot of money to treat their pets, and some people spend a lot of money to do things for their pets, just to let the hairy children go smoothly.

In the last decade, pet medical and pet funeral industries have ushered in a spurt of development. In 2023 alone, 1,920 pet funeral-related companies were established in China, while the total number of related companies established in the decade from 2003 to 2012 was only 64.

Although the time and cost that pet owners are willing to invest have soared, unfortunately, unlike the rising trend of human life expectancy, in less than 50 years (1970-2016), the average life expectancy of pet dogs has been shortened by 35%, from 17 to 11 years.

Why on earth is this?

In 2014, The Kennel Club, a British kennel club, investigated the causes of death of 5,700 pet dogs. The data shows that cancer is the biggest killer affecting its life span, accounting for nearly a quarter of the total, even exceeding the death of aging.

Among the dogs who died of cancer, the causes with the highest proportion were bone tumor (3.99%), lymphatic tumor (3.18%) and brain tumor (2.81%). The biggest killer that threatens human health also takes the lives of pets.

Ten years ago, The Kennel Club did the same research. The proportion of dogs that died of natural aging in that year was 17.8%, but now it is only 13.8%, that is to say, the number of pet dogs that died of diseases or accidents increased by 4% in ten years.

What is frightening is that the shortened life span of pets may be related to the popular lifestyle. According to the speeches of relevant insiders, the following three possibilities can be summarized:

First of all, genetic inheritance, artificial breeding of purebred dogs with similar blood vessels, easy to lose genetic diversity, greatly improving the probability of congenital genetic diseases; Secondly, pet dry food has changed the original diet structure, which is difficult to meet the demand of nutritional diversity, and long-term single nutrition source will affect its resistance; In addition, modern pets are often trapped in high-rise houses, and daily dog walking activities can not fully meet their activity needs, especially for large dogs.

The process of raising pets is not only that pets accompany people through a journey, but also that humans spend their lives with pets. Under the restriction of natural conditions, no matter what efforts are made, this is also a banquet that must end, but the time of sincere treatment will not live up to it. In addition to the investment of time, money and love, it is necessary to adopt scientific parenting methods to make this period of time longer and longer.

Original title: "Pet life ranking: modern" pet-loving "way to shorten the life of dogs by 6 years"

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More countries "go to dollarization"! The RMB surpassed the US dollar for the first time in this transaction.

  BEIJING, April 29 (Zhongxin Finance Gong Hongyu) China’s cross-border transactions "de-dollarization" set a new record!

  According to the data recently released by the State Administration of Foreign Exchange of China, the proportion of RMB in foreign-related receipts and payments of China banks rose from nearly zero in 2010 to a record 48% at the end of March this year, a record high in 13 years. During the same period, the share of the US dollar dropped from 83% to 47%.

  "The use of RMB in cross-border transactions in China surpassed that of the US dollar for the first time, which is another milestone in the process of reducing China’s dependence on the US dollar." Bloomberg reported this.

  The international "circle of friends" of RMB is growing.

  Since 2010, the US dollar has consistently ranked first in the currency proportion of cross-border receipts and payments in China. However, with the wave of "dollarization" in many countries around the world and China actively promoting the settlement of bilateral trade in RMB, reducing the use of US dollars is becoming a new phenomenon in cross-border transactions in China.

  Since March this year, many countries have successively turned to RMB settlement. On April 26th, Argentine Economy Minister Felipe Massa announced that Argentina would stop using US dollars to pay for goods imported from China and use RMB instead. In early April, Malaysian Prime Minister Anwar said that Malaysia’s central bank had started discussions with China so that the trade between the two countries could be settled in ringgit and RMB.

  Earlier, on March 29th, the Brazilian government indicated that Brazil and China had reached an agreement to trade in local currency instead of using the US dollar as an intermediate currency. On March 28th, CNOOC China and Total Energy, a French company, completed the first domestic purchase transaction of imported liquefied natural gas (LNG) settled in RMB through the platform of Shanghai Oil and Gas Trading Center.

  In fact, up to now, more than 30 countries, including Indonesia, Iran, Russia and Germany, have gradually turned to RMB for trade settlement or investment. The circle of international friends of RMB is growing, and the recognition of RMB in the world, especially in emerging economies, has greatly increased.

  Why is the RMB "hot"?

  "The increase in the use of the renminbi is a natural result of China’s opening of its capital account, and bonds flowing into the mainland of China and out of Hong Kong are increasing." Zhao Zhixuan, chief Asia foreign exchange and interest rate strategist of Bloomberg Industry Research, wrote in a briefing.

  Liang Zhaoji, an economist at DBS Bank, told Bloomberg that the internationalization of RMB is accelerating as other countries seek an alternative payment currency to spread risks and the credibility of the Federal Reserve is not as good as before.

  At present, many countries around the world have set off a wave of "dollarization". Chen Wenling, chief economist of China Center for International Economic Exchanges, told the media that the "de-dollarization" is behind the distrust of the United States and the dollar. This is not only because of their doubts about American credit and dissatisfaction with the hegemony of the US dollar, but also because of their helplessness and risk aversion. Now the dollar has become the main source of instability and uncertainty in the world economy.

  "In the Ukrainian crisis, the United States joined forces with many countries to sanction Russia, which affected Russia’s export trade. Countries around the world saw the hegemonic behavior of the US dollar. ‘ De-dollarization ’ Currency diversification is the general trend. " Yang Delong, chief economist and fund manager of Qianhai Open Source Fund, previously told Zhongxin Finance.

  What is the significance of exceeding the US dollar in cross-border transactions?

  "The use of RMB in foreign-related collection and payment by banks exceeds that of US dollars, indicating that cross-border transactions in China have gradually become dominated by local currency." Wang Youxin, a senior researcher at China Bank Research Institute, mentioned.

  Wang Chunying, deputy director and spokesperson of the State Administration of Foreign Exchange, said at the press conference on April 21 that the increasing proportion of RMB in cross-border use will help reduce the risk of currency mismatch in cross-border transactions.

  "In the past, pricing and settlement in China’s foreign trade mainly used third-party currencies, which not only increased the foreign currency risk exposure and exchange rate risk of enterprises, but also increased the difficulty of the management and operation of national foreign exchange reserves and increased the risk of cross-border capital flow fluctuations." Wang Youxin said.

  In Wang Youxin’s view, after the gradual promotion of local currency settlement, the exchange risk of enterprises will be significantly reduced, and the risk of currency mismatch between assets and liabilities in production and operation will be significantly reduced, so enterprises can invest more resources and energy in their main business. The volatility of cross-border foreign currency flows will be reduced, the demand for RMB liquidity and asset allocation will increase, the stability of exchange rate will be improved, and RMB assets will be favored by more international investors.

  In addition, Wang Youxin mentioned that the increased use of RMB in bilateral trade will play a leading role for other economies and market participants, and RMB cross-border settlement will be promoted in more scenarios and more countries in the future.

  In April, the State Council, China issued the Opinions on Promoting Stable Scale and Excellent Structure of Foreign Trade, which mentioned that financial institutions should be encouraged to innovate and improve foreign exchange derivatives and cross-border RMB business, and further expand the scale of RMB settlement of cross-border trade.

  Yang Delong believes that the further internationalization of RMB will change the state of "one currency dominating" the US dollar to a certain extent, weaken the power of the United States to manipulate the global money market, and benefit the development of non-American parents. (End)

Influenza is high after winter. Please check this prevention guide.

Yellow River News Network Yuncheng News (Reporter Li Bingrui)Recently, the reporter came to the vaccination clinic of the Salt Lake District CDC in Yuncheng City to see that many parents took their children to get flu vaccine. The staff told reporters that since the winter, the demand for influenza vaccination has increased significantly, mainly on Saturday and Sunday.

Citizens take their children to vaccinate.

"The child is now over one year old and has weak resistance. I saw that many people around me got the flu, so I quickly took my child to get the flu vaccine, thinking about early vaccination and early prevention." Ms. Zhang said.

After vaccination, the citizens are under observation in the observation area.

As the weather turns cold, the temperature difference between morning and evening becomes larger, and respiratory infectious diseases are high, so it is necessary to be alert to the overlapping risk of influenza and mycoplasma pneumonia. What is the flu? What’s the difference between influenza and mycoplasma infection? How to do a good job of protection scientifically? With these questions, the reporter interviewed Zhao Junxia, chief of infectious disease prevention and control department of Yuncheng CDC.

Zhao Junxia, chief of infectious disease prevention and control department of Yuncheng CDC, was interviewed.

Zhao Junxia introduced that influenza is an acute respiratory infectious disease caused by influenza virus, which can occur all year round, with high incidence in winter and spring. October to March in northern provinces is the influenza epidemic season. At present, Yuncheng has entered the influenza epidemic season, and the number of influenza cases reported in the past two weeks has increased.

Influenza and mycoplasma infection are both respiratory infectious diseases, but they are still different, with different pathogens, different ages of onset and different clinical symptoms. Influenza is caused by influenza virus, while mycoplasma is caused by mycoplasma pneumoniae infection. Influenza can occur in all age groups, and mycoplasma mainly occurs in teenagers over 5 years old. The initial symptoms of mycoplasma are similar to the common cold, including sore throat, cough, headache, runny nose, earache and other symptoms. In severe cases, lung infection may occur. If you want to identify whether you are infected with mycoplasma, you need to carry out laboratory tests.

Influenza is highly contagious, so how should citizens prevent influenza in their daily lives? Zhao Junxia told reporters that the most effective means to prevent influenza is to inject influenza vaccine before the influenza epidemic season. Secondly, individuals should maintain good hygiene habits and develop good cough etiquette. When coughing or sneezing, cover your mouth and nose with paper towels, and don’t throw them around. Wash your hands frequently at ordinary times, and clean with running water after coughing or sneezing, before and after meals; Keep the environment clean and ventilated, and open the window for half an hour every day, twice a day; Develop a good habit of wearing a mask, and wear a mask when going to public places, hospitals, supermarkets and contacting flu patients. If you have flu symptoms, you should rest at home, seek medical advice as soon as possible, go to school or work without illness, and try not to go to public places; People with influenza should wear masks when they go out to avoid infecting others.

  • [Editor: Niu Ruimeng]