解决黄河下游河道泥沙淤积问题，“增水”是一条重要途径。
Water tranferred from Yangzhi River is an important way to solve the siltation of channel of lower Yellow River.
水沙两相流冲淤的双临界现象，对于多沙河流河道泥沙的输移有重要意义。
This double threshold phenomenon plays an important role in sediment transportation of heavily sediment laden rivers.
对长江上游水沙变化、中游干流河道泥沙冲淤变化以及两者之间的响应关系进行了分析研究。
The flow and sediment variation in the upstream of the Yangtze river, the sediment scouring and silting in the channel of the middle Yangtze river and their response relation were analyzed.
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