The outer river is a natural river course, whose main function is to drain floods during rainy seasons.
外江是自然河道，其作用是在雨季排泄大量洪水。
In the lower reaches, where the current slows, the natural accumulation of sediment in the riverbed has caused the river to change course often in the past.
在河流下游，由于流速变缓，泥沙(等沉淀物)自然而然地堆积在河床中，曾经造成黄河经常改道。
Natural River Lake in residential construction and acquisition features to developers and real people are of course ideal choice.
在自然河湖边建造和购置水景住宅，对开发商和购房人来说当然都是理想的选择。
Taking the abandoned delta of Huanghe River as a case, this paper analyzed the natural and artificial driving forces of ecosystem degeneration, with the degeneration course investigated.
本文以废黄河三角洲为例，分析了废黄河三角洲生态系统退化的自然和人为应力以及生态系统的退化过程。
From the historical, natural and ecological point of view, this article researched the course of evolution of the ecological environment in the middle reaches of Yellow River.
从历史、地理、自然、生态的角度，大跨度、高视野、多方位对黄河中游生态环境演变过程进行了探讨。
The Indus Valley civilization appears to have collapsed because natural disaster altered the course of the Indus River.
印度河流域文明看来是因为自然灾害，使得印度河改变了河道而倒塌。
In the natural river succession, the Yellow river course is in its critical situation and will probably change again.
按河流演变的自然规律，黄河已达到其河床演变的临界值，很可能会再次改道。
River sediment yield is the reaction of various natural factors and human action factor comprehensive role in basin, wash with sedimentation of river course to change, is related closely.
河流泥沙是流域内各种自然因素和人为因素综合作用的反应，与河道本身冲淤变化密切相关。
The outburst flood wave could have traveled as far as 1,250 miles downstream, breaking the river's natural banks, causing extensive flooding and even making the Yellow River switch course.
溃坝洪水可能向下游奔涌了1250英里（约合2000公里）之远，冲毁了黄河的天然河岸，令许多地方被淹，甚至导致了黄河改道。
The outburst flood wave could have traveled as far as 1,250 miles downstream, breaking the river's natural banks, causing extensive flooding and even making the Yellow River switch course.
溃坝洪水可能向下游奔涌了1250英里（约合2000公里）之远，冲毁了黄河的天然河岸，令许多地方被淹，甚至导致了黄河改道。
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