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利用泰勒级数展开式推导了二度空间水平四次导数及三度空间垂直四次导数计算公式。文中对四次导数若干理论问题进行了探讨,并对某些地区实际重力资料进行了计算,取得了较好的地质效果。
The formula of the fourth derivative of the second degree space and the fourth derivative of the third degree space are deduced by Taylor series expansion. In this paper, several theoretical problems of the fourth derivative are discussed, and the actual gravity data in some areas are calculated and achieved good geological effects.