基于现状给水管网布置的不合理性提出了以节点压力变化为核心的给水管网分区方法；
The most important contents focused in this paper:Based on the unreasonable layout of water supply network, the method of dividing district is set forth.
阐述了DMA技术方法和分区装表计量的管网夜间流量与管网漏损的关系，介绍了DMA技术的应用技术路线和实施方案。
The DMA technology and the relationship between flow and leakage of pipeline network measured at night are described. The application and execution of DMA technology are also introduced.
针对我国管网的实际状况，提出了新的泄漏定位思想——虚拟分区法。
A new leakage detection idea, virtual fields divided, according to the actual state of water networks of our country is put forward.
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