1)equilibrium of phosphorus,磷平衡2)balance of nitrogen and phosphorus,氮、磷平衡3)blance of nitrogen and phosphorus,氮磷平衡4)Ca,钙磷平衡5)equilibrium phosphate concentration,磷平衡浓度6)N and P balance in soil,土壤氮、磷平衡
用法和例句
The equation and the condition of equilibrium of phosphorus were deduced.