如图所示“嫦娥奔月 的过程可以简化为“嫦娥一号 升空后绕地球沿椭圆轨道运动远地点a距地面高为h1然后经过变轨被月球捕获再经多次变轨 Template




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tomski如图所示“嫦娥奔月 的过程可以简化为“嫦娥一号 升空后绕地球沿椭圆轨道运动远地点a距地面高为h1然后经过变轨被月球捕获再经多次变轨 coloring