...or EVA,which is expected to help china master the technology to create it's first space station
or EVA,which is expected to help china master the technology to create ...
what's the meaning of "EVA"
人气：291 ℃ 时间：2020-06-16 22:07:52
解答
是“Extra-vehicular activity”的缩写.
指航天中的“舱外活动”,也称太空出舱活动,是宇航员在离开地球大气层后于太空飞行器外所做的工作.
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