fixation of nitrogen

• 固氮作用,固氮

fixation of nitrogen的用法和样例：

例句

1. Among the blue-green algae are many species of nitrogen fixation.
   许多种蓝藻有固氮的能力。
2. Effect of mineral N on legume BNF and yield is a complex issue.
   矿质氮对豆类作物生物固氮和产量的影响是一个复杂的问题。