本文试图从河流地貌学与历史地貌学的角度，对淮河流域洪涝灾害的成因进行初步的分析。
The paper attempted to make a preliminary analysis to causes of flood in the Huai river region from the angle of the river morphology and historical morphology.
本文试图从河流地貌学与历史地貌学的角度，对淮河流域洪涝灾害的成因进行初步的分析。
The paper attempted to make a preliminary analysis to causes of flood in the Huai river region from the angle of the river morphology and historical morphology.
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