中新网国内新闻: 揭秘航天跟踪测量：他们跟踪火箭 靠双手捕捉宇宙速度

中新网国内新闻

揭秘航天跟踪测量：他们跟踪火箭 靠双手捕捉宇宙速度 Jun 2nd 2018, 16:26 　　揭秘航天跟踪测量：他们跟踪火箭 靠双手捕捉宇宙速度

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