A special case of information systems where the database consists of observations on spatially distributed features, activities, or events, which are definable in space as points, lines, or areas.

一个空间信息系统的例子，数据库由对空间分布特征、活动性、事件进行观察所组成，在空间可定义点、线、面。

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A special case of information systems where the database consists of observations on spatially distributed features, activities, or events, which are definable in space as points, lines, or areas.

一个空间信息系统的例子，数据库由对空间分布特征、活动性、事件进行观察所组成，在空间可定义点、线、面。

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