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In the process of development, there are a large number of natural disasters and mitigation engineering maps, the application of maps is an important part of the DRR. The computer-automated means such as encoding, splitting, projection conversion or format conversion of the maps or drawings are applied in process of development. The list of maps contain various category of map resources, such as Foreign Map,Chinese History Map,World History Map,Natural Geographic Map,Humanities and Social Sciences Map and so on. The online operations are done in a map application, the users could operate maps with zooming, maps shift-invariant, view geographic coordinates and relevant information, map overlay, data processing of maps, edit Toolbar,cancel and repeat and save and download the maps and metadata. Users could quote the map and meta. More information is available on the operating instruction.