为什么卫星变轨要两次加速,一个转移轨道是椭圆,不可以一次直接变轨到圆轨道吗? 知乎 Template




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tomski为什么卫星变轨要两次加速,一个转移轨道是椭圆,不可以一次直接变轨到圆轨道吗? 知乎 coloring