The formula for calculating the incipient motion condition of non-uniform sediment has been established by considering the equivalent grain and the relative exposure degree.
阐述了泥沙起动机理，通过对等效粒径概念及表达式的引入，推得了泥沙起动公式。
The formula for calculating the incipient motion condition of non-uniform sediment has been established by considering the equivalent grain and the relative exposure degree.
阐述了泥沙起动机理，通过对等效粒径概念及表达式的引入，推得了泥沙起动公式。
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