To use the MVC design pattern, AAF framework technology, knowledge map and components reuse techniques, researched the visualization system for the distribution of water rights.

采用MVC设计模式、AAF框架技术、知识图以及组件复用技术研究水权分配的可视化应用系统。

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In addition, a pipe network description language for water supply system is designed to locate pipe networks in city terrain map.

给出一个管网系统(供水)的管网图形描述语言，使管网系统能快速准确地定位于地形图上。

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Like many cities, Greenwich has created a geographic information system - a map that shows all the hidden bones and arteries of modern civilization: water mains, storm sewers, utility lines.

NPR: Security Officials Seek to Block Some Online Maps