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如何看待近年来中国载人航天脚步放缓？ - 知乎
source link: https://www.zhihu.com/question/327426347/answer/732285122
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本质上还是一句话：钱少还想多办事。载人航天自从1992年9月21日开始之后，也就是921工程，一直是这么一个…
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