科研之友
微信
新浪微博
Facebook
分享链接
摘要
<正>At 20:45 Beijing time on December 27,2009,a LM-5,China’s largest carrier rocket,lifted off from the VVetnchang Space Launch Center,launching the Shijian 20 satellite,which is China’s heaviest satellite as well as the first to test the adaptability of the DFH-5 satellite platform,into its preset orbit.This was the323rd flight of the LM series launch vehicle,marking the perfect
