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GIS是Geographic Information System的英文缩写,它是对地球空间数据进行输入、存储、检索、运算、分析、建模、显示、输出等的计算机系统,是集地理学、测绘学、遥感学、空间科学、信息科学、计算机科学和管理科学为一体的综合性学科,也称为空间数据的管理系统.60年代初加拿大学者Tomlison首先提出GIS概念及理论,70至80年代,随着现代计算机技术迅速发
GIS is the abbreviation of Geographic Information System. It is a computer system that inputs, stores, retrieves, calculates, analyzes, models, displays and outputs geospatial data. It is a collection of geography, surveying and mapping, remote sensing, space science , Information science, computer science and management science as an integrated discipline, also known as spatial data management system.In the early 1960s, Canadian scholar Tomlison first proposed GIS concepts and theories, 70-80 years, with the rapid development of modern computer technology