biochemical oxygen demand

• 生化耗氧量,生化需氧量,生化学的需氧量,生物化学需氧量

biochemical oxygen demand的用法和样例：

例句

1. The main results of the simulation show that the hypoxia phenomena in the PRE are caused mainly by the coupled dynamics of the water stratification and biochemical processes.
   珠江口存在的底层水体缺氧现象是水体强烈层化和生化耗氧过程共同作用的结果。