In this paper, after analysis of the spatial and temporal properties of GIS, a semantic definition of spatiotemporal topological relationships has been suggested.
本文在分析GIS的时空特性后，给出了一个语义层时空拓扑关系定义。
In this paper, after analysis of the spatial and temporal properties of GIS, a semantic definition of spatiotemporal topological relationships has been suggested.
本文在分析GIS的时空特性后，给出了一个语义层时空拓扑关系定义。
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