通过分析研究各县区不同地貌单元面积，在假定县内道路分布均一的情况下，计算了各县区侵蚀参数和区域道路开挖边坡的年侵蚀量。
Based on the composition of landform of each country, and an assuming of that the distribution of highway is similar, the erosion parameter and cutting slope erosion are analyzed.
通过分析研究各县区不同地貌单元面积，在假定县内道路分布均一的情况下，计算了各县区侵蚀参数和区域道路开挖边坡的年侵蚀量。
Based on the composition of landform of each country, and an assuming of that the distribution of highway is similar, the erosion parameter and cutting slope erosion are analyzed.
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