level of protein

• 蛋白质水平

level of protein的用法和样例：

例句

1. Exogenous nitrogen had a slight positive effect on protein level and these enzyme activities.
   外源氮的加人对蛋白质水平和酶的活性具有小的正面影响。
2. Different protein levels had effects on the growth of red Carassius aurutus, but the difference was not significant.
   不同蛋白质水平对红草金鱼的生长有影响，但差异不显著。