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比美国早发射7天，天问一号为何晚登陆3个月？
中国的祝融号火星车和美国的毅力号火星车发射时间非常接近，中国比美国早发射7天，对火星的登陆却晚了三个月，同样的发射窗口，天问一号为何晚登陆火星3个月？难道是天问一号飞得更慢？
诸葛小彻—合集648/788
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