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- The ratio of students to teachers is 35:1. 學生和老師的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男學生和女學生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子數量以三比一超過女子。
- The first or last term of a ratio or a series. 首項，末項比率或數列中第一個或最後一個項
- Ammonia-air mixtures are quite difficult to ignite. 氨與空氣的混合氣體不易燃燒。
- Any of various mixtures of xylidine isomers. 一種二甲基苯胺同分異構體的混合物
- After-tax profit margin is the ratio of net income to net sales. 稅後利潤率指凈收入與凈銷售之比。
- Mixtures containing a halogenated alkane. 含一鹵化鏈烷的混合物。
- The ratio of men to women was two to one. 男女的比例是二比一。
- For dual-phase flow such as steam-water mixtures. 對於雙相流體，如蒸汽-水混合流體。
- "Oil mixtures" means any mixtures containing oil. (四)"油性混合物"是指任何含有油份的混合物。
- Condensable/volatile mixtures (psychrometrics, etc. ) 可凝結/可揮發混合物 ；
- The interval between any two frequencies having a ratio of2 to1. 倍頻程頻率比率為2比1的兩個頻率的間隔
- The strike is the ultima ratio of Trade Unionism. 罷工是工聯主義的最後手段。
- The cross ratio he called anharmonic ratio. 他把交比叫作非調和比。
- Strictly speaking all kinds of natural water are actually mixtures. 嚴格地說，各種天然水實際上都是混合物。
- The ratio between the two sides is one to four. 雙方人數對比是一對四。
- Subsistence only increases in an arithmetic ratio. 生活資料只能按算術級數增長。
- This is the prime ratio of the nascent increments. 這是最初增量的最初比。
- Scientists are trying to increase that ratio. 科學家正設法增加這個比率。
