地理信息系统GIS是一门综合性的技术，它涉及到地理学、测绘学、计算机科学与技术等学科。
Geographic Information System (GIS) is a comprehensive technology, it involves the geography, mapping science, computer science technology, and other disciplines.
地理信息系统GIS是一门综合性的技术，它涉及到地理学、测绘学、计算机科学与技术等学科。
Geographic Information System (GIS) is a comprehensive technology, it involves the geography, mapping science, computer science technology, and other disciplines.
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