Apsidal transfer can be carried out straightforwardly or by devious ways.
比较了人造卫星在两个椭圆轨道间远拱点冲击过渡迳直方回方。
Apsidal transfer can be carried out straightforwardly or by devious ways.
比较了人造卫星在两个椭圆轨道间远拱点冲击过渡迳直方回方。
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