Given a initial model, one can calculate the gravity anomaly caused by a undulate subsurface interface.
在给定密度界面初始模型之后，可以计算出地下某一起伏界面引起的重力异常。
The dip direction and dip Angle of a subsurface interface must be first determined in three-parameter velocity analysis that needs predetermined dip Angle.
采用预求倾角法进行三参量速度分析时，首先要确定地下界面的倾向和倾角。
Surface, subsurface, and interface phenomena.
地表，地下，和界面现象。
Surface, subsurface, and interface phenomena.
地表，地下，和界面现象。
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