一个最基本的GIS，需要包含如下的组成部分：管理空间坐标数据的矢量图形系统，管理属性数据的数据库管理系统，以及实现矢量图形系统与数据库管理系统双向连接的连接系统以及空间分析功能等。 矢量图形系统.. -a basic GIS, the need to contain the following components : Coordinate data management space vector graphics system, the attribute data management database management system, as well as vector graphics system and the database management system of two-way link connecting systems and spatial analysis functions. Vector graphics system ..