Much of the shuttle’s business—launching the Hubble telescope, putting up satellites, mapping the Earth—could have been done by unmanned craft, at a fraction of the $174 billion the programme cost.
宇宙飞船上大部分的日常工作——包括放置哈勃望远镜,发射卫星,绘制地图——只需从1740亿美元中的项目开销中拨出少许,即可由无人机完成。
Much of the shuttle’s business—launching the Hubble telescope, putting up satellites, mapping the Earth—could have been done by unmanned craft, at a fraction of the $174 billion the programme cost.
宇宙飞船上大部分的日常工作——包括放置哈勃望远镜,发射卫星,绘制地图——只需从1740亿美元中的项目开销中拨出少许,即可由无人机完成。
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