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本文根据长江口的水文资料和历史图件,叙述了河口横比降形成的原因,并进一步指出,它是一个十分活跃的水力因子,对河床演变起重要的作用,文中提出的问题,对河口整治有一定意义。
Based on the hydrological data and historical maps of the Changjiang Estuary, this paper describes the reasons for the formation of the estuary ravage and further points out that it is a very active hydraulic factor that plays an important role in the evolution of the riverbed. In this paper, Remediation has some significance.