随着计算机技术的飞速发展和各行各业对地理信息系统的需求日益广泛,以面向城市建设应用和服务的GIS网络化、GIS标准化、和GIS大众化的全新地理信息时代到来了.%With the rapid development of computer technology and geographic information system in all walks of life to the needs of the increasingly widespread, for the city construction application and service of GIS network, GIS standard, and GIS popular new geographic information era.
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