The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.
本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。
And then, the law of low transport rate of the nonuniform bed load is presented, its theoretical expression is derived and the calculated results and given.
进而阐述了非均匀沙推移质低输沙率规律，导出了其理论表达式，并进行了数值计算。
When the flow intensity is high, the transport rate of bed load as given by Einstein formula might be too small.
在水流很强时，爱因斯坦公式所给出的推移质输沙率有可能偏小。
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