What is the abbreviation of China?

1, CN, widely used in Internet and other fields.

2, CHN, mainly used in sports, CHN is a country code registered in the United Nations, and this unified country code is used in international formal occasions.

3.PRC, the abbreviation of People's Republic of China (PRC), stands for People's Republic of China (PRC), which is a more formal statement.

People's Republic of China (PRC) is the official statement of People's Republic of China (PRC).

science and technology

China is one of the ancient civilizations. Ancient China has a scientific and technological tradition different from that of western countries. Ancient China contributed many inventions to the world and developed unique advanced achievements in astronomy, mathematics, medicine, machinery, metallurgy, ceramics, textiles, architecture and many other aspects.

Some inventions invented by China before other countries include: four great inventions (papermaking, printing, compass and gunpowder), seismograph, abacus, umbrella (which can be opened and closed now), toothbrush, stirrup, silk, rudder, porcelain, oil well, paper money, matches, lacquerware, kites, hot air balloons and fishing rods.

After entering the modern society, China studied western civilization, and its scientific research continued to develop. The successful launch of Shenzhou series spacecraft in 2003 marked that China became the third country after the Soviet Union and the United States capable of sending people into space alone.