The gravity gradient anomaly reflects the change of gravity anomaly, and it has a higher resolution than gravity anomaly.
重力梯度异常反映的是重力异常的变化，其分辨率比重力异常高。
From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.
根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系，将重力异常分成不同频段、不同分辨率，分别计算了截断误差。
It studies two problems occurred in establishing the mean gravity anomaly digital model of China. One is the basic resolution problem;
研究了建立我国陆海新一代平均重力异常数字模型的两个问题：一是基本分辨率的确定问题；
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