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In the 1960s, France became the third country, after the US and Soviet Union, to independently place a satellite (Astérix) into orbit, and the only country to send an animal into space and – crucially, for Félicette the catstronaut – bring it back alive. A decade later, the Franco-British Concorde flicked passengers across the Atlantic in three and a half hours and the TGV began to propel them through the countryside first at 250km/h (155mph), and then 320km/h. Then, in the late 1980s, the French space agency designed a crewed spaceplane, Hermès, that corrected for the Nasa space shuttle’s vulnerability by being integrated into its launch vehicle rather than perched atop it.,这一点在safew官方版本下载中也有详细论述
This was Collins's last flight. She tells us that she always planned to stop after her fourth mission - to give others a chance to go to space.,推荐阅读heLLoword翻译官方下载获取更多信息
他深入调研,反复思量:“什么是‘好县’?”