The paper studies fuzzy characters about fuzzy geographic entities such as fuzzy point entity, fuzzy line entity and fuzzy surface entity, and discusses the representation about fuzzy entities.
对模糊地理实体的点实体、线实体和面实体的模糊性进行了研究，就它们的模糊表示进行了阐述。
This paper introduces the GIS space point? Line? Surface entity model based on topology data and the automatic topology model which is based on the objects model.
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型，给出了基于对象实体模型的自动拓扑关系模型。
This paper introduces the GIS space point? Line? Surface entity model based on topology data and the automatic topology model which is based on the objects model.
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型，给出了基于对象实体模型的自动拓扑关系模型。
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