river-bed evolution的意思|示意

The restraint of geologic structure of river bed and bank on the rivers geologic action controls the river evolution trend.

河床河岸地质结构对河流地质作用的制约主导着河道演变的趋势。

This paper presents the river course evolution of Yilan to Jiamusi reach through analyzing evoluting reason and river bed formation.

通过对河道演变原因及河床形态的分析，得出松花江依兰—佳木斯江段河道演变的特点。

Its shown that the flow structure in the dam area are basically corresponding with the bed configuration after evolution of the river situation.

研究表明，坝区水流结构与河势演变后形成的河床形态基本相对应。

The landform evolution of Xianyang since the end of Qin Dynasty contains two aspects, the northward moving of the Weihe River bed and the changing of the edge slope of Xianyang tableland.

秦末以来，秦都咸阳地貌演变包括渭河河道北移和咸阳原边坡地貌变化两个方面。

The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.

当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。