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| wind erosion equation (美国用以计算大平原沙质旱地的年风蚀量。方程式： E=f(I'、K'、C'、L'、V)、式中，E为风蚀量(吨/英亩或公顷・年)；I' 为土壤和圆丘 (knoll) 的可侵蚀性指数; K'为土垄粗糙度因素; C'为当地侵蚀气候因素; L'为盛行风向的耕地长度; V 为植被状况) | |||
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风蚀方程 : 1 phrase in 1 subject |
| Desert science | 1 |
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