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河流阶地
释义
河流阶地
Encyclopedia
理学
河流地貌
释
fluvial terrace
河流阶地
由于河流下切,原河谷底部(河床或河漫滩)超出一般洪水位,呈阶梯状分布在谷坡上的地形。
理学
河流阶地
释
river terrace
河流阶地
河流长期交替下切与侧蚀河谷底部,沿河出现一些不再为特大洪水所淹没的条带状阶梯地形。又称河成阶地。
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