在此基础上，进一步提出了一种处理矢量gis叠置图中无意义多边形的新方法。
On the basis of this, the paper presents a new method of processing meaningless polygons in overlaid map from vector GIS.
在此基础上，进一步提出了一种处理矢量gis叠置图中无意义多边形的新方法。
On the basis of this, the paper presents a new method of processing meaningless polygons in overlaid map from vector GIS.
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