计算和讨论了太阳和某些行星产生的广义相对论的后牛顿重力改正，并与牛顿引潮力进行了比较。
Post Newtonian gravity correction to the acceleration of gravity in general relativity, produced by the sun and some planets, is calculated and discussed, and is compared with Newtonian tidal force.
由两个测区的实测重力资料计算分析和对比，证明改正格值受温度影响后，重力资料的精度有所提高。
Through calculating, analysing and comparing the real data measured in two regions, indeed, it is proved that precision of gravity data after temperature correction increased somewhat.
在山区重力勘探中，如何提高地形改正的精度，一直是一个引人关注的重要课题。
How to improve the accuracy of terrain correction in mountainous-district gravity survey is an important subject which people have paid close attention to.
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