IP technologies would be desirable for merging constellation network and terrestrial network, so IP routing has become a hot topic in the research area of satellite constellation network.
采用IP技术，便于星座网络与地面网络更好地融合，因此星座IP路由已成为目前的研究热点。
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。
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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