The demands of user are analyzed, and determining the main function of the dynamical management information system of xi 'an land subsidence and groundwater.
进行用户需求分析，确定西安市地面沉降和地下水位动态监测管理信息系统的主要功能。
Model base system is added to software of regime prediction for regional groundwater on the base of data management information system. Subsystem for output of material and outcome are also designed.
区域地下水动态预报软件在数据管理信息系统的基础上增加模型库系统，进行模型辅助决策，并设计了用于资料和结果输出的办公子系统。
This paper introduces the development environment and overall design of the groundwater information management database system of the main stem area of the Second Songhua River.
介绍了地下管线信息系统的研究背景，设计了一个地下管线动态元数据库模型，讨论了元数据的存储、管理、录入、检索等技术问题。
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