英语语法分析

High order, high precision geopotential models have broad application.

高阶高精度地球重力场模型具有广泛的用途。

The quasi-geoid computed by geopotential model is fitted with the quasi-geoid measured by GPS leveling.

将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面。

There are many gravity quantities expressed by finite spherical harmonic series expansions in the computing for geopotential.

重力场计算中，经常需要计算以有限阶球谐级数表示的重力场元。