... 河长 river length 河床变形计算 computation of river bed deformation 河床变形相似 similarity of river bed deformation ...
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根据泥沙交换原理，对河床变形计算方法进行了若干改进。
On the basis of mechanism of sediment exchange, some improvements in relation to the calculation method for river-bed deformation are performed.
通过选择有关参数，处理工程边界以及进口边界条件，用二维河道全沙数学模型计算所得的河床变形趋势与实测情况基本一致。
The trend of river bed deformation calculated by a plane 2-D numerical model of total sediment transport is in good agreement with the real conditions.
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