... 土壤颗粒大小分布(particle-size distribution) 土壤颗粒(soil particle) 土壤总容积(soil total volume) ...
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According to that standard, 50% of the number of rainfall can be eliminated and soil erosion volume which failed to choose takes up 3% of total erosion amount.
按此标准，可剔除降雨场次50%以上，而漏选的土壤流失量占总侵蚀量的比例在3%以内。
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