The rivers running across large area with emergence of Mesozoic and tertiary stratum usually have high sediment concentration and large modulus of erosion.
穿过有大面积中生界和第三系地层出露地区的河流，其含沙量高，侵蚀模数大。
The erosion amount and the modulus of erosion of the watershed calculated by the model are very close to those determined by the runoff experimental fields.
并以鄂东花岗片麻岩侵蚀区的某荒坡小流域为例，计算了其坡面土壤侵蚀量和侵蚀模数，计算结果与径流场实测结果十分接近。
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