The 29th Olympic Games, also known as the 2008 Beijing Olympic Games, was held in Beijing, the capital of People's Republic of China (PRC), at 8 pm on August 8, 2008. The host city of the 2008 Beijing Olympic Games is Beijing, and Shanghai, Tianjin, Shenyang, Qinhuangdao and Qingdao are the co-host cities. Equestrian events are held in Hong Kong.
In 2008, 204 countries and regions participated in the Beijing Olympic Games, with athletes 1 1438, 302 sports (28 kinds) and more than 60,000 athletes, coaches and officials.
The 2008 Beijing Olympic Games * * * set 43 new world records and 132 new Olympic records, * * 87 countries and regions won medals in this event, and China topped the gold medal list with 5 1, becoming the first Asian country to top the gold medal list in Olympic history.
2. Tianhe-1
Tianhe-1 is the first petascale supercomputer in China. "Tianhe-1" supercomputer was developed in 2008 and implemented in two phases: the first phase system (TH-1) was successfully developed in September 2009; The second phase system (TH- 1A) was upgraded in Tianjin National Supercomputing Center on August 20 10.
2010165438+10/4, the international TOP500 organization published the latest list of the world's top 500 supercomputers on its website, and China's first petascale supercomputer system "Tianhe No.1" ranked first in the world. It was not until 20 1 1 year that it was surpassed by the Japanese supercomputer "Jing". 20 12, 18 On June 8, 2008, Tianhe No.1 ranked fifth in the list of the top 500 supercomputers in the world published by the International Supercomputer Organization.
The first atomic bomb exploded successfully.
After the founding of New China, under the leadership of the Party and the government, China has made great progress in science and technology. Among them, the cutting-edge scientific and technological achievements of national defense represented by "two bombs and one satellite", namely atomic bombs, missiles and artificial earth satellites, are the most remarkable. In 1950s and 1960s, China faced a severe international situation.
In order to resist the threat of imperialist force and break the nuclear blackmail and monopoly of superpowers, the CPC Central Committee resolutely decided to develop "two bombs and one satellite", made great efforts to break through the cutting-edge technology of national defense, and made a major decision of strategic significance to China's security and development.
1956, the state formulated the first long-term plan for the development of science and technology, and put the peaceful use of atomic energy at the top of the key tasks of 12. At the same time, two larger projects were deployed: the atomic bomb and the missile.
1962165438+10 In October, the Central Committee set up a 15-person special committee with Zhou Enlai as the director to strengthen leadership in the construction of the atomic energy industry and accelerate the development and testing of nuclear weapons and nuclear science and technology. Under the unified leadership of the Central Committee, the whole country "played a game of chess", concentrated on tackling key problems and made a historic breakthrough.
19641June16th, China successfully exploded the first atomic bomb, and the "oriental noise" shocked the world. This achievement represented the new level of China's science and technology at that time, which effectively broke the nuclear monopoly and blackmail of the superpowers and improved China's international status.
The China administration issued a statement: China has always advocated the complete prohibition and thorough destruction of nuclear weapons; In order to defend and protect the people of China from the nuclear threat, China was forced to conduct nuclear tests and develop nuclear weapons. The Government of China solemnly declared that China would not be the first to use nuclear weapons at any time and under any circumstances.
Shenzhou-1 spacecraft has ascended to the sky.
Shenzhou-1 spacecraft is the first unmanned experimental spacecraft launched in China's manned space program. The spacecraft was launched from Jiuquan Space Launch Site at 6: 30 a.m. on1October 20, with the launch time of 1999 165438. The launch mission was undertaken by the Long March 2F manned space rocket on the basis of the Long March -2F bundled rocket.
Ten minutes after the launch and ignition, the ship and arrow separated and entered the scheduled orbit accurately. After the spacecraft was put into orbit, the measurement and control center on the ground and the survey ships distributed in the Pacific Ocean and the Indian Ocean tracked and controlled the spacecraft, and at the same time tested the life support system and attitude control system in the spacecraft.
The successful launch of the Shenzhou-1 experimental spacecraft marks a major breakthrough in China's manned space technology. At the same time, the successful recovery of Shenzhou-1 spacecraft also shows that China's space industry will be at the forefront of the world. Shenzhou-1 spacecraft is an important milestone in China's space history.
5. The first aircraft carrier, Liaoning, entered the queue.
Liaoning ship (code: 00 1 carrier, ship number: 16) is an aircraft carrier under the command of the Chinese People's Liberation Army Navy. It can carry fixed-wing aircraft and is also the first aircraft carrier in service in China.
The aircraft carrier Liaoning was formerly the USS Varyag, a marshal-class aircraft carrier of Soviet Navy Kuznetsov. In the middle and late 1980s, when Ukraine was building the aircraft carrier Varyag, the Soviet Union disintegrated and the construction project was interrupted, with a completion rate of 68%. 1999, China purchased the Varyag and arrived at Dalian Port on March 4, 2002.
On April 26th, 2005, China Navy began to continue construction and improvement. The goal of the PLA is to refit and manufacture this unfinished aircraft carrier for scientific research, experiment and training. On September 25, 20 12, it was officially renamed Liaoning and delivered to the PLA navy.
On October 20 1 13 10, the Liaoning ship left Qingdao for the South China Sea of China for a 47-day comprehensive maritime exercise. During this period, China Navy organized a large-scale ocean carrier battle group with nearly 20 ships of various types. Since the end of the Cold War, this is the largest maritime force assembly exercise of a single country in the western Pacific except the US Navy, and it also marks that the aircraft carrier Liaoning has begun to have the ability to form a battle group at sea.
References:
Baidu Encyclopedia-Liaoning Aircraft Carrier
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Baidu encyclopedia -2008 Beijing Olympic Games
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Baidu encyclopedia-Tianhe No.1
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Baidu Encyclopedia-China's first atomic bomb exploded successfully.
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Baidu Encyclopedia-Shenzhou-1 spacecraft