需求及其变更管理是整个信息系统工程开发过程的基础，也是项目成功的关键因素之一。
Management of requirement and its change is the base of the whole developing process of information system project and one of the critical success factors of the project.
城镇地籍变更是城镇地籍管理中的一项重要工作，也是城镇地籍信息系统的一个重要功能。
Urban cadastral update is one of the important functions of UCIS (urban cadastral Information System) and one of the important steps of urban cadastral management.
城市地下管线信息的动态增加、变更、废弃等导致了地下管线信息管理与信息系统开发的复杂性与难度。
The dynamic increase, alteration and disuse of urban underground pipeline information result in the difficulty and complexity of its management and development.
在此基础上，以MAPGIS为平台，开发出基于GIS的土地利用变更调查管理信息系统。
On this basis, regard MAPGIS as the platform, developing the land based on GIS utilizes the change to investigate the management information system.
在此基础上，以MAPGIS为平台，开发出基于GIS的土地利用变更调查管理信息系统。
On this basis, regard MAPGIS as the platform, developing the land based on GIS utilizes the change to investigate the management information system.
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