Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.

计算结果均表明，本文的一维水动力学模型能较好地模拟漫滩河道的过流特征，并改善了漫滩河道洪水演进的模拟与预测能力。

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This paper introduced the structural design and working mechanism of SPDS-120 and SPDS - 114 releasing tools, especially the structure, characteristics and relevant design calculation of SPDS - 114.

介绍了SPDS - 120和SPDS - 114两种型号丢手工具的结构设计、工作原理，重点介绍了SPDS - 114型丢手工具的结构、特点及相关设计计算。

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Aimed at pump system, this article investigates the transient characteristics and the influencing factors of the whole system by means of experiment and numerical calculation.

本文以泵系统为研究对象，通过实验和计算的方法研究阀调节引起的全系统的瞬变特性及影响因素。

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