Suppose you're a cartographer or geographic information system (GIS) professional, working on behalf of one, or an advanced hobbyist and want to bring in multiple datasets from a variety of sources.
假设您是一名制图师或地理信息系统(GIS)专业人士，或是一名资深的爱好者，想要将不同来源的数据集中在一起。
Recently, geographical information system (GIS) is the combination of savior and operation and information regarding distribution of geographical space.
近年来，地理信息系统（GIS）是储存和处理与地理空间分布有关信息的集合。
Many developers and geographic information system (GIS) professionals have been unable to use a drawing Interchange format (DXF) or "drawing" (DWG) file.
很多开发人员和地理信息系统(GIS)专家一直无法使用drawing Interchange Format (DXF)或“ drawing ” (dwg)格式的文件。
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