The equation of satellite orbital motion was derived in the conventional terrestrial coordinate system.
推导了协议地球坐标系下的卫星运动方程。
The coordinate reference datum on which precision GPS survey is based, is ITRF International Terrestrial reference Frame that IERS offers.
高精度GPS测量所依据的坐标参考基准，是由IERS所提供的ITRF国际地球参考框架。
It is an important mission of Geodesy to improve an accuracy of control networks and to establish the geocentric coordinate system via combined satellite and terrestrial network adjustment.
通过地面网与卫星网的联合平差，以改善网的精度和建立高精度的地心坐标系统，是当前大地测量的一项重要任务。
The models for adjustment and coordinate transformation have three types, each used in the combined data processing of satellite and terrestrial observations.
卫星测量与地面测量数据联合处理有三种平差模型和三种转换模型。
The definition of the China Geodetic Coordinate System 2000 is identical with that of the International Terrestrial Reference System.
中国大地坐标系的定义，与国际地球参考系的定义一致。
The definition of the China Geodetic Coordinate System 2000 is identical with that of the International Terrestrial Reference System.
中国大地坐标系的定义，与国际地球参考系的定义一致。
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