Chen Jingrun is a famous Chinese mathematician. The publication of "Expressing an even number as the sum of the product of a prime number and a number not exceeding two prime numbers" became a milestone in the study of Goldbach's conjecture. To commemorate his contributions, the Purple Mountain Observatory named a planet "Chen Jingrun Star".

On May 20, the Langkawi Aviation Show in Malaysia opened, and the J-10CE was on the C position of the Chinese booth, and China's advanced weapons are rewriting the pattern of the world's military industry.

The dangers and opportunities behind the relocation of China's supply chains

佩恩斯维尔

Footage of the Israeli army firing at a diplomatic mission was exposed

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史塔德马里安

Guangxi refuted rumors that a large number of gold bricks were found in the homes of fallen officials

East Why North Korea rarely announced a serious accident with a destroyer

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The price of bitcoin broke through $110,000 and hit another all-time highThe Winter Olympics designer taught me to choose a down jacket

Trump "ambushed" the South African president at the White House and was accused of being a die-hard fan "performance"

"Shatou" reversed the Japanese pair and advanced to the semifinals of mixed doubles

A bridge collapsed in Yuyao, Zhejiang, and the local transportation bureau: it is a village road, and the truck has been towed away, causing no casualties