Dynamic segmentation as one of the most important GIS technical means, show great advantage in linear network-based analysis, query and display.

动态分段作为地理信息系统空间分析一种重要的技术手段，在基于线性网络的分析、查询和显示中表现出巨大优势。

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This thesis analyzes the character of the complex ditch network, and imports the Dynamic Segmentation theory to organize the ditch network data and its spatial knowledge.

在分析了复杂人工河网特点的基础上，针对人工河网选取过程中需要考虑的几个重要因素，引入了线状要素动态分段模型组织人工河网数据及其空间知识。

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