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阐述了泥沙起动标准的理论基础，描述了泥沙运动状态的有关参数，引进无因次输沙率作为泥沙起动的基本标准，提出了不同场合的３种具体标准，指出了基本标准与它们之间的联系；论证了所提出的起动标准符合以往研究的习惯，符合实际资料和试验、测量的具体情况；讨论了其它研究者提出的几种起动标准
The theoretical basis of sediment start-up standard is described, the relevant parameters of sediment movement state are described, and the introduction of non-destructive sediment transport rate is used as the basic standard of sediment start-up. Three kinds of concrete standards are put forward for different occasions, and the basic standards and The connection between them; demonstrated that the proposed starting standard accords with the habit of previous research, accords with the actual data, the specific conditions of the experiment and measurement, and discusses some starting standards proposed by other researchers