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

单词	geocentric equatorial coordinate system
释义	geocentric equatorial coordinate system Encyclopedia 工学导航坐标系释 geocentric equatorial coordinate system地心赤道坐标系原点在地球质量中心，以天球赤道为基圈，春分点的时圈为主圈，春分点为主点，天球北极为坐标极的坐标系。
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