A new approximate model or the earths gravity field is presented in this paper. We call it a mascon model.
本文给出了一个新的重力场近似模型，称之为质聚模型。
The harmonic series formula of the Earths disturbing potential is the most extensive applicable expression for the Earths gravity field model.
地球扰动位的球谐展开式表示是地球重力场模型应用最广泛的一种表示方法。
Undisturbed earths gravity field under the status of hydrostatic equilibrium is parallel gravity field, and its distribution of mass density is spherically Symmetric.
无扰动的流体静力平衡状态下的地球重力场是平行重力场。
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