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。
Field gravity survey was an important method of gravity field model optimization.
卫星重力梯度测量任务将获取全球范围内高精度重力场信息。
High precise information of gravitational field over the whole Earth will be obtained by satellite gravity gradiometry.
对于全球重力场测量卫星而言，其姿态和轨道的保持精度直接影响着全球重力场测量的精度。
For the gravity field measurement of satellite, the maintained precision of the gravity field measurement satellites attitude and the orbit affect the measurement precision directly.
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