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单词 GIS analysis
释义
GIS analysis

Geography
  • When spatial data are keyed into GIS software, the location of each point is recorded, together with the way in which that point relates to its real position on the surface of the Earth. When this database is loaded and the software turned on, most programs will report on: the number of points, lines, and polygons for the theme loaded; the individual polygon areas and the total area for the theme loaded; and the total lengths of linear objects of a particular category.


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