In the design of sand basin, the first problem is to select the calculation method of suspended silt deposition rate.

设计沉沙池时，首先要解决的问题之一是悬移质泥沙沉降计算方法。

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The conclusion is: in calculation of design flood in the Weihe River basin, neither reduction of reservoir project impact nor project impact under design conditions can be considered.

结论认为：渭河流域设计洪水计算中，可既不考虑水库工程影响还原，也不考虑设计条件下工程的影响。

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Based on the qualitative analyses on water resources transformation mechanism, combining with each calculation unit, the water resources transformation model in Shiyang river basin is developed.

对石羊河流域水资源转化机理进行了定性分析，结合各计算单元建立了石羊河流域水资源转化模型。

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