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Using the basic theory of soil moving and river bed changing,the authors made rush-siltation balance analysis and calculation and put forward dredge-harnessing scheme. 整治方案运用了泥沙运动的基本理论和河床演变的基本原理，对马尾河进行冲淤平衡分析计算，并按水动力学规律疏浚整治河道，以恢复河道良好的水力条件，稳定河势。
Analysis of river bed change of Yangtze River and flood level variation 长江中下游河床冲淤与洪水位变化
Mathematical Model of River Bed Change Downstream of Xiaolangdi Reservoir in Early Operation Period 小浪底水库运用初期下游河道冲淤数学模型预测计算
river bed change 河床演变
Left that stone in the river bed. 该把那块石头留在河床上。
An ancient bus stopped by a dry river bed. 一辆古式的公共汽车停在一条干涸了的河床旁边。
"Like a dry river bed in New Mexico or Arizona. “像新墨西哥或亚利桑那州一条干枯的河床。
We shall have to widen out the river bed to avoid flooding. 我们将加宽河床以防洪水。
The river drained away and the river bed became dry. 河水流尽，河床干涸。
It's so long since it rained that the river bed is dry. 很久没有下雨了，河床都已干涸。
We shall have to widen out the river bed to avoidflooding. 我们将加宽河床以防洪水。
The agronomist suggested growing rice on the dried river bed. 那位农学家建议在干涸的河床上种水稻。
river bed changes 河床演变
Owing to less water coming and river bed sedimentation in recent years and consequently leading to river regime change, flood prevention and oil exploration safety are seriously influenced in the Yellow River mouth region. 近年来由于来水偏少,河床淤积,导致河势发生变化,对河口地区防洪安全和油田生产影响很大。
We walk along the river bed to the nicest fall and take some refreshment in one of the pools. 我们沿着河床边走向最美好的瀑布，在其中的一个池边感受些许的新鲜。
An ancient bus stopped by a dry river bed and a party of famous actors and actresses got off. 一辆古旧的大客车在一条干涸的河床边停下，一群著名男女演员下了车。
Peak Water Level Variation and Bed Change of the Yangtze River 长江中下游洪水位变化与河床冲淤
A kind of automatic measuring instrument for 3-D river bed model topography is introduced. 摘要针对目前常用的电阻式地形仪存在的问题，介绍了一种新型的河床模型三维全自动地形仪。
Now the river bed is 3 m,even 10 m higher in some places than the surround surface. 现在黄河河床已高出两侧平地 3m ,有些地方已高出两侧平地 10m。
Most of the soil in the river bed has washed down over the years from the mountains. 河床的大部分泥土都是多年来从山上冲刷下来的。