The above efforts significantly improve the present precision and distribution of Chinese national gravimetry network, and also provide important basic data to the study on gravity field variation.
上述的测量极大地改善了我国目前重力网的精度和覆盖率，并为研究重力场的变化提供了重要的基础资料。
The lateral inhomogeneity and the variation of density contrast with depth in the crust and their effects on the inversion of gravity field are discussed.
本文讨论利用重力资料反演莫霍面时，地壳横向不均一性，密度随深度变化以及异常数据滑动平均处理对解释结果的影响程度。
The Variation of gravity field in this area may be caused by the crustal deformation or deep transference and fault creep.
重力变化可能是由该区地壳形变、地壳深部质量迁移和断层蠕动共同作用引起的。
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