This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.
本文系统
研究了建立高程基准的理论与方法、

动规律及其对高程基准的影响
有关问题。
This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.
本文系统
研究了建立高程基准的理论与方法、

动规律及其对高程基准的影响
有关问题。
声明:以上例句、词性分

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