乔治·阿贝,原约翰逊太空中心的主管,现休斯敦莱斯大学太空策略专家,也有相似的焦虑。
George Abbey, a former director of the Johnson space Centre and now a space-policy expert at Houston's Rice University, has similar worries.
乔治·阿贝,原约翰逊太空中心的主管,现休斯敦莱斯大学太空策略专家,也有相似的焦虑。
George Abbey, a former director of the Johnson space Centre and now a space-policy expert at Houston's Rice University, has similar worries.
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