NASA has cancelled its plans for a post-shuttle space vehicle. Until U.
美国航空航天局已经取消了建造后航天飞机时代太空飞行器的计划。
Yes, on this basis, China plans to establish a space station by 2020.
是啊，在这个基础上，中国计划会在2020年建成一个空间站。
Yet America's secretive space plans worry even some of its friends, too.
不过美国秘密的太空计划也使盟友感到忧虑。
Yet America's secretive space plans worry even some of its friends, too.
不过美国秘密的太空计划也使盟友感到忧虑。
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