part per million 百万分之…;

冷库消毒要求臭氧浓度6-10PPM, 停机后封库24小时以上.
来源:互联网摘选This response was cau-sed by even lower concentration ( 0.01 ppm ).
BA 的浓度在 0.01ppm 时也能产生这一效应.
来源:互联网摘选Acts as a leader in the Internal PPM Reduction Teams assuring positive tendencies and results.
充当降低内部PPM小组的负责人,确保正面趋势和结果.
来源:互联网摘选Probabilistic Packet Marking ( PPM ) is an efficient and practical scheme.
概率包标记 ( PPM ) 是一种比较有效且实用的解决方法.
来源:互联网摘选结果: 在5ppm的富锗培养基上培养的GSC中锗的转化率最高 ( 1118% ).
来源:互联网摘选The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.
广泛使用百分之几 ( ppm ) 表示结果,但常常引起误解.
来源:词典精选例句Objective : To study implement effect of PPM-tuberculosis control project in city.
目的: 探讨在城区实施PPM-DOTS项目的效果情况.
来源:互联网摘选An Inhalation Lclo ( Mouse ) of 9600 ppm for four hours has been determined.
四小时吸入Lclo ( 鼠 ) 为9600ppm已经被确定.
来源:互联网摘选
简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 中考英语

简答网 · 双语娱乐资讯

简答网 · 中考英语

简答网 · 双语娱乐资讯