1, two bombs and one satellite:

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.

1967 the air explosion test of China's first hydrogen bomb was successful at 8 am on June 17. China's first artificial satellite was successfully launched on 2 1 on April 24th, 0970, and China became the fifth country to launch an artificial satellite. China's "two bombs and one satellite" is a brilliant cause created by the Chinese nation in the second half of the 20th century.

2. The first semiconductor mainframe computer in China was born;

The first semiconductor mainframe computer in China, 103, was born in the Institute of Computing Technology, Chinese Academy of Sciences, and was delivered in 1958. The backbone of participating in R&D includes young people such as Dong Zhanqiu and Wang Xinggang.

3. Zhuhai-Hong Kong-Macao Bridge:

The Hong Kong-Zhuhai-Macao Bridge started on June 5438+February 5, 2009, and the main works were completed on July 7, 20 17, and the acceptance of the main works was completed on February 6, 20 18.

In the same year1October 24th, 65438+ opened for business. The completion of the Hong Kong-Zhuhai-Macao Bridge has greatly shortened the time and space distance between Hong Kong, Zhuhai and Macao.

As a milestone in China's transformation from a bridge power to a bridge power, the bridge was praised by the British media "Guardian" as Mount Everest in the bridge industry and one of the seven wonders of the modern world.

4500m spherical radio telescope;

FAST, with China's independent intellectual property rights, is the largest and strongest single-antenna radio telescope in the world, and its design fully reflects China's high-tech innovation ability.

It will provide opportunities for discovery and breakthrough in many basic research fields such as large-scale physics, deep structure and material laws of the universe, and will also play an irreplaceable role in solar-terrestrial environmental research, national defense construction and national security.

5. Shenzhou 5:

Shenzhou 5 is the fifth spacecraft in Shenzhou series and the first manned spacecraft in China. It was launched from Jiuquan Satellite Launch Center at 9: 00 on June 65438+1October 65438+May 2003, sending astronaut Yang Liwei and a flag of China with special significance into space.

Shenzhou 5 was in orbit 14 lap, lasting 2 1 hour and 23 minutes. After successfully completing all scheduled operations, he returned to the main landing site safely at 6: 23 on June 10, 2003.

The orbital module has been in orbit for half a year and has achieved a lot of scientific experimental results. This marks that China has become the third country to send human beings into space after the former Soviet Union and the United States, and it is a new milestone in China's space industry in the new century.

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