常見(jiàn)例句雙語(yǔ)例句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，即有機(jī)物分解所需的氧這個(gè)單位進(jìn)行測(cè)量。The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.評(píng)價(jià)結(jié)果表明：該段主要污染指標(biāo)高錳酸鹽指數(shù)、五日生化需氧量、氨氮。http://dict.cnki.netAfter 30 days' continuous running, the COD(Chemical Oxygen Demand) removal rate was improved to 82% and BOD(Biochemical Oxygen Demand) removal rate reached to 92%.污水處理系統(tǒng)運(yùn)行到30 d左右時(shí)，化學(xué)需氧量（COD）的去除率達(dá)到82%，生化需氧量（BOD）的去除率達(dá)到92%。 返回 biochemical oxygen demand