... 卫星-空间飞行器 satellite to space vehicle 行星空间飞行 planetary space flight 月球空间飞行 lunar space flight ...
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According to Alan Stern, planetary scientist, the biggest public relations boost for the ISS may come from the privately funded space flight industry.
行星科学家艾伦·斯特恩认为，国际空间站最大的公关推动力可能来自私人资助的太空飞行业。
Even before the space telescope takes flight, scientists expect to learn more about the habitability of our nearest planetary neighbor.
甚至在太空望远镜升空之前，科学家们就已经在试图了解我们最近的行星邻居是否可以居住。
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