ratios

1. [C]比,比率 relation between two amounts determined by the number of times one contains the other

• show a ratio of...to...比率为…比…

• direct〔inverse〕ratio正〔反〕比

• birth〔death〕ratio出生〔死亡〕率
• current ratio电流比

• at the ratio按比率
• by a ratio of根据…的比率
• in direct ratio按正比率
• with the ratio of以…比率

• ratio between两者之间的比
• ratio of...to...…与…之比
• ratio to对…的比率

utilization ratio利用率；实用比

noise ratio噪声比

compression ratio n. 压缩比

molar ratio n. 摩尔比率，摩尔浓度；克分子比，克分子比率

signal-to-noise ratio信噪比

recovery ratio采收率

aspect ratio纵横比；屏幕高宽比

signal to noise ratio信噪比，信号噪声比

mixture ratio混合比例

mole ratio[化]摩尔比；[化]克分子比

mass ratio[化]质量比

area ratio n. 面积比

volume ratio体积比

damping ratio阻尼系数；阻尼比率；衰减率

blending ratio n. 混合比例；混纺率

weight ratio体重比，重量比；重量

mixing ratio[气象]混合比

transmission ratio传动比；总齿轮比；传输比

sex ratio男女人口比例

stress ratio[物]应力比

1. The ratios of 1 to 5 and 20 to 100 are the same.
   1与5之比和20与100之比相同。
2. 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。
3. The ratio of schoolboys to schoolgirls is 2 to 1.
   男学生和女学生的比例是2比1。
4. The ratio of nursing staff to doctors is 2:1.
   护士和医生的比例是2：1.