| 1. | Geographic information system ( gis ) is a spatial information system which tasks are picking up , storage , administration , analysis and description of all or part of earth surface data ( including atmospheric layer ) related to spatial and geographic distribution 地理信息系统( gis )是一种以采集、贮存、管理、分析和描述整个或部分地球表面(包括大气层在内)与空间和地理分布有关的数据为主要任务的空间信息系统。 |