生化物需氧量(简写为BOD)：一种衡量有机物在水中的污染量的标准。
Biochemical oxygen demand - BOD: a measure of the amount of pollution by organic substances in water.
常常使用生化需氧量，即有机物分解所需的氧这个单位进行测量。
They are commonly measured in units of biochemical oxygen demand (BOD), or the amount of oxygen needed to decompose them.
常常使用生化需氧量，即有机物分解所需的氧这个单位进行测量。
They are commonly measured in units of biochemical oxygen demand (BOD), or the amount of oxygen needed to decompose them.
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