1, two bombs and one satellite

Two bombs and one satellite originally refer to atomic bombs, hydrogen bombs and artificial satellites. The atomic bomb and hydrogen bomb in the "two bombs" were later collectively referred to as nuclear bombs, and the other bomb refers to missiles developed in the early days. Later, "two bombs and one satellite" refers to missiles, nuclear bombs and artificial satellites.

1October 5, 1960, 165438, China's first imitation missile was successfully launched, and on June 5, China's first atomic bomb exploded, 1964, 16, and China became the fifth country with an atomic bomb.

2. Shenzhou 5

Shenzhou 5 manned spacecraft is the fifth in the Shenzhou series and the first manned spacecraft launched by China. It was launched from Jiuquan Satellite Launch Center at 9: 00 on June 5438+00, 2003. It sent astronaut Yang Liwei and a flag of China with special significance into space and returned at 6: 23 on June 10, 2003.

This spaceship marks that China has become the third country to send humans into space after the former Soviet Union and the United States. It marks another milestone in China's space technology.

3. The first computer in China.

1 August, 958/day, China's first computer,103 general digital electronic computer, led by Zhang Zichang, was successfully developed, with a running speed of 1500 times per second and a memory reserve of 1024 bytes.

4. Tianhe-2

Tianhe-2 is a supercomputer system developed by National University of Defense Technology. Tianhe-2 ranked first with its excellent performance of peak operation speed of 549 million times per second and continuous operation speed of 339 million times per second, and became the fastest supercomputer in the world in 20 13 years. ?

5. Hong Kong-Zhuhai-Macao Bridge

20 1 8 65438+1October1,the whole line of Hong Kong-Zhuhai-Macao Bridge is lit and the main project is open to traffic; On February 6th of the same year, the main project of Hong Kong-Zhuhai-Macao Bridge was completed and accepted.

On February 2 1 of the same year, according to the Regulations on the Use and Operation of the East Parking Lot of the Border Inspection Building of the Hong Kong-Zhuhai-Macao Bridge promulgated by the Macao SAR Government, the East Parking Lot of the Border Inspection Building of the Hong Kong-Zhuhai-Macao Bridge was opened to foreign vehicles by appointment registration.

On March 15 of the same year, with the approval of the State Council, China, the Macao Port Management Zone of the Hong Kong-Zhuhai-Macao Bridge was officially handed over to the Macao Special Administrative Region for use, and its jurisdiction was implemented in accordance with the laws of the Macao Special Administrative Region. On September 28th of the same year, the Hong Kong-Zhuhai-Macao Bridge started the joint trial operation of Guangdong, Hong Kong and Macao.

Baidu encyclopedia-two bombs and one satellite

Baidu Encyclopedia-Shenzhou 5

Baidu Encyclopedia-Chinese Computer History

Baidu encyclopedia-Tianhe No.2

Baidu Baike-Hong Kong-Zhuhai-Macao Bridge