有多种方式来定义地面坐标系统；有一些在某些用途方面比其他的更好。
There are multiple ways to define a coordinate system for Earth coordinates; some are better for particular purposes than others.
为保证矿业权核查工作的准确性，坐标系统的选择及地面控制测量显得尤为重要。
The choice of coordinate system and ground control surveying are critical to the accuracy of the checking work.
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。
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.
本文以大水坡GPS网为例，说明仅采用地面网的起算数据，在地面网的坐标系统中进行GPS网平差的方法，并对平差成果作多方面的分析比较。
This paper takes Dashuipo GPS network as an example that only adopting the original data of the plane network and the adjustment method of the GPS network in the plane control system, moreo…
本文以大水坡GPS网为例，说明仅采用地面网的起算数据，在地面网的坐标系统中进行GPS网平差的方法，并对平差成果作多方面的分析比较。
This paper takes Dashuipo GPS network as an example that only adopting the original data of the plane network and the adjustment method of the GPS network in the plane control system, moreo…
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