本文通过水槽实验，研究了在不同的水流流量、河床坡度、床沙级配和上游来沙率条件下，阶梯-深潭的形成过程。
The formation process of this kind of system under the conditions of different discharges , stream bed slopes , gradations of sedimentation and incoming sediment rates from upstream are studied experimentally in laboratory .
河床坡度