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在所有的国家中,航天活动几乎完全处于政府的控制之下。在整个80年代,主要的工业国家经济都在增长;90年代渐渐陷入萧条。航天预算直接受到这种
In all countries, space activities are almost completely under government control. Throughout the 1980s, the major industrial countries were growing their economies; they were gradually recessioned in the 1990s. The space budget is directly affected by this