“relative orbital elements”的概念、定义、翻译、参考文献-科学参考

单词	relative orbital elements
释义	relative orbital elements Encyclopedia 理学航天器相对运动释 relative orbital elements相对轨道要素航天器编队飞行中，一组描述两颗航天器相对轨道几何形状、方位及相对相位等主要特性的参数，又称相对轨道根数。
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