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。

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But it is very difficult to use common data-management technique based on relation database to the geological data because of their distinct spatial features and complex configurations.

然而，地学数据显著的空间特征和复杂的结构属性又不能简单运用常规的数据库管理系统进行表述、处理。

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