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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 2000
2000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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