... 营养素循环;养料循环;养份循环：nutrient cycle 营养素循环：nutrient circulation 营养素消耗：nutrient loss ...
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soil nutrient circulation 土壤养分循环
nutrient circulation system 养分循环系统
nutrient circulation utilization 养分循环利用
closed nutrient solution circulation 封闭式循环供液
Therefore, the way of improving nutrient circulation is to build farmland with high productivity, apply more organic fertilizer and readjust the structure of plant.
改善农田养分循环的途径是建设基本农田、增施有机肥料和调整种植结构等。
It can promote the circulation of the oxygen in the blood, and timely supplement the consumed nutrient substances.
促进氧在血液中的循环，及时为你补充消耗的营养物质。
Conclusion: It suggested that nutrient, epiphyseal metaphyseal periosteal arteries were important to the reconstruction of the collateral circulation in bone healing.
结论：滋养动脉，骺-干骺动脉，骨膜动脉在骨折愈合侧支循环重建中均有重要作用。
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