Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.

分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。

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Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.

分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。

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