About 10 gravity anomaly areas and 18 magnetic anomaly areas are found in geophysical surveys at Lunlang lead-zinc deposit.
根据该区地球物理测量成果，共圈出重力异常区10个、磁力异常区18个。
Gravity and magnetic anomaly characteristics described with different grid are not the same conpletely; therefore the choice of an optimal grid for anomaly description has an important implication.
不同的网格描绘重磁异常特征不尽相同，选取最佳网格描绘重磁异常具有重要意义。
A method for computing first vertical derivatives in the upper half-space from observed gravity and magnetic anomaly data is given in this paper.
本文给出了由实测重、磁异常计算上半空间一阶垂直导数的一种方法。
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