论述了重力矢量在确定地球重力场方面的作用，包括重力矢量的向下延拓和局部大地水准面的确定。
The applications of vector gravity on the determination of the earth's gravity field are described, including the downward continuation of vector gravity and determination of the local geoid.
利用所建立的模型，将航空重力测量试验数据采用最小二乘配置的方法向下延拓到地面，与地面已知重力数据进行比较。
Using this model, the airborne gravity measurement test data is downward continued based on least squares collocation and is compared with known ground gravity data.
然后利用这些方法对中国大同航空重力测量数据进行向下延拓计算。
The downward continuation computation for real airborne gravity data in the Datong region of China is performed by means of these methods.
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