The topological relation on the space data in the GIS has the important meaning to the space analysis to the data processing.
GIS中空间数据的拓扑关系,对数据处理和空间分析具有重要的意义。
Refer to the analysis ot the wide, thin-walled flat steel box girder, it need the space analysis with the general finite element program.
对于宽幅、薄壁的扁平型钢箱梁结构的分析,需借助通用有限元程序对结构进行空间分析。
Then the information of shoreline dynamic changes, inning and silting was obtained by utilizing the space analysis function of geographical information system (GIS).
利用GIS空间分析功能,分析岸线动态变化、围垦淤涨状况及其趋势。
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