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agriculture pollution control
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agriculture pollution control
Encyclopedia
农学
农业污染控制
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agriculture pollution control
农业污染控制
为减少农业生产过程中投入或残余的营养盐、农药、薄膜和病原菌等污染物的流失或排放,降低污染物对农业生产区自身生产环境和农业生产区外部环境的影响,采用的行政、技术、经济、法律和其他管理等手段、方法与措施的总称。
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principal sheet
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principal square root
principals' research leadership
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principal's teaching leadership
principal strain
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principal submatrix
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principal telescope
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