“China Geodetic Coordinate System 2000”的概念、定义、翻译、参考文献-科学参考

单词	China Geodetic Coordinate System 2000
释义	China Geodetic Coordinate System 2000 Encyclopedia 工学大地起算数据释 China Geodetic Coordinate System 2000; CGCS 20002000国家大地坐标系统协议地球坐标系的一种。坐标系原点为包括海洋和大气的整个地球的质量中心，尺度为在引力相对论意义下局部地球框架的尺度，定向的初始值采用国际时间局1984.0的定向，定向的时间演化保证相对于地壳不产生残余的全球旋转。
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