“planetary coordinate system”的概念、定义、翻译、参考文献-科学参考

单词	planetary coordinate system
释义	planetary coordinate system Encyclopedia 理学天文导航释 planetary coordinate system行星坐标系对行星的地形、重力场、表面地貌地质等进行研究时，采用的固连在行星上的坐标系，以描述行星表面上点的位置。
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