二级悬河
- 网络secondary suspended river
-
黄河下游二级悬河治理途径的探讨
Discussion of solutions to the problem of secondary suspended river in the lower Yellow River
-
黄河下游二级悬河现状及其形成原因
Present Status of " Secondary Suspended River " in the Lower Yellow River and Its Formed Reason
-
论黄河下游河道的改造与二级悬河的治理
A preliminary study on alteration of watercourse and improvement of the " secondary perched river " in the lower Yellow River
-
黄河下游出现的二级悬河就是在新形势下产生的新的问题。
The " second hangs the river " at the down stream of the Yellow River is a new problem under the new situation .
-
并提出了下游河道改造与“二级悬河”治理的具体措施和技术指标,以及需要研究的关键技术问题。
The measures and guidelines about the alteration of watercourse and the improvement countermeasure of " the secondary perched river " were discussed and some key technical issues were presented for further research work .
-
在过去的50多年里,黄河下游的水沙过程发生了显著的变化,二级悬河和主槽萎缩的现象不断加剧,河流的治理面临着巨大的挑战。
In the past fifty years , the water and sediment process has changed a lot in the Lower Yellow River , resulting in secondary suspended river and main channel shrinkage , which causes great challenge to the river management .