Because the soil and water conservation factor was not concluded in net method, the soil erosion modulus calculated with net method was higher than that calculated with sampling survey method.
由于网格法没有考虑水土保持措施因子，调查得到的土壤侵蚀量结果比采用抽样调查法得到的结果偏大。
Because the soil and water conservation factor was not concluded in net method, the soil erosion modulus calculated with net method was higher than that calculated with sampling survey method.
由于网格法没有考虑水土保持措施因子，调查得到的土壤侵蚀量结果比采用抽样调查法得到的结果偏大。
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