常見(jiàn)例句雙語(yǔ)例句A great number of experiments were carried out on measuring the bacterial removal rate of medium-efficiency filter material in air filters.通過(guò)大量試驗(yàn)，測(cè)定了空氣過(guò)濾器中效濾材的濾菌效率。Methods:Aerobic bacterial count and fecal coliform in sewage of doemestic and hospital were analysed before and after activated bio-filter treatments.方法：于生物濾池處理生活污水及醫(yī)院污水前后分別取水樣測(cè)定污水中的細(xì)菌總數(shù)及糞大腸菌群的含量。It is because of this selective filter that a majority of doctors and nurses worldwide do not understand the concept of bacterial evolution &antibiotic resistance.正是因?yàn)檫@種選擇性的過(guò)濾，全球范圍的多數(shù)醫(yī)護(hù)人員都不了解細(xì)菌的演變和抗菌素的抗性這些基本概念。blog.sina.com.cn 返回 bacterial filter