The forth derivative of gravity anomaly can be obtained by Taylor series expansion of gravity field.
利用重力场的泰勒级数展开式，可求出重力异常的四次导数。
According to the data of gravity field in Haljun Basin, the regional distribution of gravity anomaly is obtained.
根据哈喇峻地区区域重力数据资料，给出区域重力异常分布特征。
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.
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。
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