GIS is used to engineering map and document management which will produce active action as well as city planning.

将地理信息系统应用于工程图档管理中，使其在城市规划的工程图档管理工作中发挥积极作用。

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The unified modeling language (UML) is an object-oriented and strictly defined visualizing data modeling language. It has been gradually adopted in analysis and design of GIS application engineering.

统一建模语言（UML）是一种面向对象、定义明确的可视化系统建模语言，在地理信息系统工程的分析和设计中已逐渐被采用。

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Developing such an engineering geology information system supported by GIS and network technology is quite necessary and practical for any large hydropower projects geologic exploration survey.

对任何一个大型的水电工程勘察，对系统数据资料建立起GIS和网络技术为支撑的工程地质信息系统是十分必要和实用的。

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