扰动重力较重力异常更易于重力场计算。
The disturbing gravity is calculated easier than the gravity anomaly.
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。
There are many gravity quantities expressed by finite spherical harmonic series expansions in the computing for geopotential.
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
应用推荐