提出了一种基于安全空间数据库管理系统的动态审计策略模型。

A dynamic audit policy model based on secure spatial DBMS was proposed.

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MAPGIS在国内应用相当广泛，主要用于数字制图及空间数据库管理、空间分析。

MAPGIS is mainly used in digital mapping, spatial database management and spatial analysis. In China, this technique has already been widely utilized.

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空间数据库引擎；空间数据库管理系统；多源空间数据无缝集成；调整和优化；海量空间数据。

Spatial Database Engine; Spatial Database Management System; Seamless Integration of Multisource Spatial Data; Adjusting and Optimizing; Massive Spatial Data.

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