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河床形态是河道物理结构的重要组成部分,河床形态的变化是河流变迁、消亡的直接表征,明晰河床形态演变规律,有助于更好理解河流生命理念及其演变、消亡过程。文章以大凌河为例对河流断面演变进行简要分析。
The shape of the riverbed is an important part of the physical structure of the river. The change of the riverbed shape is a direct characterization of the river’s vicissitude and demise, clarifying the evolution of the riverbed morphology and helping to better understand the concept of river life and its evolution and demise. Taking Daling River as an example, the article makes a brief analysis of the river section evolution.