3D geocentric coordinate system 三维地心坐标系统
d geocentric coordinate system 三维地心坐标系统
three-dimension geocentric coordinate system 三维地心坐标系
geocentric d coordinate system 地心3维坐标
geocentric inertial coordinate system 地心惯性坐标系
geocentric 3D coordinate system 地心3维坐标
geocentric geodetic coordinate system 地心坐标系
The combined adjustment of astro geodetic and space geodetic networks is of great significance for checking, controlling and strengthening the astro geodetic network, and for establishing and extending the geocentric coordinate system.
天文大地网与空间大地网联合平差 ,对于检核、控制与加强天文大地网以及建立与扩展地心坐标系 ,都具有重要意义。
参考来源 - 全国天文大地网与空间大地网联合平差·2,447,543篇论文数据，部分数据来源于NoteExpress
Moreover, the local coordinate systems in the cities of our country lack in direct and precise connection to the geocentric coordinate system and the national coordinate system.
此外，目前许多城市的地方坐标系统与国家坐标系统之间缺乏精确严格的换算关系。
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。
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