根据模型分解的思想，采用变密度多层地壳密度模型，据此推导了相应的重力异常正演计算公式。
The variable density multilayered crustal model is put forward according to the idea of model decompose in this paper, and the corresponding gravity forward formula is deduced.
一种正的重力异常，是由上覆在相对低密度的盐丘上的致密的盖层岩石引起的。
A type of positive gravity anomaly that results from the presence of a dense cap rock overlying a relatively low-density salt dome.
在推覆体之下有明显的重力正异常，可能存在多类型的隐伏圈闭，是勘探油气的有利目标。
There is an obvious gravity positive abnormality under the nappe and it is possible that there are various types of hi...
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