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中文摘要：
介绍了自主开发的分布式水文模型EasyDHM的空间单元离散方式、主要理论模块以及相应的模型软件系统MWEasyDHM。EasyDHM的空间离散采用通用子流域划分算法，很大程度上扩展了分布式水文模型的通用性。同时，它支持多种产汇流算法，还支持用户对主要产汇流参数的敏感性分析和参数优化，以优化模型模拟效果。
英文摘要：
This paper introduced the spatial discretization, major modules and relative software system of the distributed hydrological model EasyDHM which is developed by the authors. The General Sub-basin Delineation Method based on the Pfafstetter coding system is used for the spatial discretization of the research area. Many runoff generation and conflux models are given, and the EasyDHM is set as the default model. The parameter sensitivity analysis and parameter optimization methods are also provided for better simulation in EasvDHM.
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