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1·Regional gravity survey, is a basic work in geophysical survey.

区域重力调查是一项基础地球物理调查工作。

2·Field gravity survey was an important method of gravity field model optimization.

野外重力测量是精化全球和局部重力场模型的重要手段之一。

3·This paper presents the high precise gravity survey and primary results before and after the impoundment in the Three Gorges reservoir.

介绍了三峡工程蓄水前后的精密重力测量和取得的初步研究成果。

4·The total mean square error for gravity survey in mountainous region estimated by the present methods are usually too small to be convincing.

山区重力测量工作中，用现有方法计算总均方误差，往往使均方误差偏小，异常的可信程度降低。

5·An example is taken to show the shape characteristic of terrain corrections for near, mid and far areas in high accuracy gravity survey in hilly area.

本文以一个具体实例来说明山区高精度重力测量中近、中、远区地改值的形态特征。

6·In a certain given gravity survey area, it is unreasonable to use the united density value to calculate the Bouguercorrection values of the whole area.

特定的重力勘探区，用统一的密度作布格外部改正有一定的不合理性。

7·How to improve the accuracy of terrain correction in mountainous-district gravity survey is an important subject which people have paid close attention to.

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。

8·Based on data of gravity survey, seismic exploration, aerial magnetical survey and surface geology, the central fault belt was identified in the Qaidam Basin.

重力、航磁、地震、遥感、地表地质等资料的研究结果表明，柴达木盆地基底存在着中央断裂带。

9·In mountainous area, gravity survey external corrections, including terrain and Bouguer corrections, are the prerequisites for gravity data processing and interpretation.

山区重力勘探中，重力外部校正是重力勘探料处理和解释的前提，其内容包括地形校正、中间校正等。

10·With reference to the gravity survey, this paper describes the schemes of control network layout used with global positioning system (GPS) technique for Donghai Bridge project over sea.

结合重力测量，介绍利用GPS技术进行东海大桥跨海工程控制网的布设技术方案。