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- oxygen enhancement ratio 氧效应增强比
- Research on Improving Web Enhancement Ratio 关于万维网增进率改进的研究
- sensitizing enhancement ratio(SER) 致敏增强比
- the sensitization enhancement ratio 放射增敏比
- load carrying capacity enhancement ratio 承载力提高率
- Similarly, oxygen enhances the combustion process in industries that manufacture glass, aluminum, copper, gold, lead, and cement or that are involved in waste incineration or remediation. 同样地，氧在许多工业中促进燃烧过程，这些工业包括玻璃、铝、铜、金、铅和水泥或者同垃圾焚化或回收相关的工业。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- The company is always seeking enhancement of its products. 该公司一向寻求产品提升。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Can we have the table oer there? 我们可以坐那边吗?
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
