《Table 3 Map Layer Contents Summary by Categories》

《Table 3 Map Layer Contents Summary by Categories》   提示:宽带有限、当前游客访问压缩模式
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《城市地下空间资源综合利用实践——以成都市地质环境图集(2017)数据集为例》


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Benchmarks were set by taking multi-phase remote sensing images and results of the third national land survey as basic layers of the maps.The various materials collected were corrected to ensure the overlapping accuracy of the maps.The.shp files collated were all reviewed and then inserted into the database by utilizing the database function of ArcGIS.In this way,the database was developed.