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nutrient cycle

环境 cycle des substances nutritives
自然资源和野生动物保护 cycle des éléments nutritifs
食品服务和餐饮 cycle nutritif
nutrient cycling
生命科学, 矿产品 recyclage des éléments nutritifs
nutrients cycle
林业 cycle des nutriments
nutrient cycle A biogeochemical cycle, in which inorganic nutrients move through the soil, living organisms, air and water or through some of these
环境 cycle des substances nutritives