ratio

听听怎么读

英 [ˈreɪʃiəʊ]

美 [ˈreɪʃioʊ]

是什么意思

比，比率；比例；系数；

vt.

求出比值，除，使…成比例；将（相片）按比例放大[缩小]；

变形

复数：ratios

双语释义

n.(名词)

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

英英释义

ratio[ 'reiʃiəu, -ʃəu ]

n.the relative magnitudes of two quantities (usually expressed as a quotient)

学习怎么用

词汇搭配

用作名词 (n.)

动词+～

show a ratio of...to...比率为…比…

形容词+～

direct〔inverse〕ratio正〔反〕比

名词+～

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

介词+～

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

～+介词

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

词组短语

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

更多收起词组短语

同近义词辨析

proportion, rate, ratio, percentage

proportion （两件事物之间的）比，比例, 通常用于各种成分或分配额的比例等；

rate常用于表示速率，利率，出生率，死亡率，兑换率等；

ratio （表示两个数量之间关系的）比，比例, in direct/inverse ratio to 成正比/反比

percentage百分比，百分率；

双语例句

用作名词(n.)

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。
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 ratio of schoolboys to schoolgirls is 2 to 1.
男学生和女学生的比例是2比1。
The ratio of nursing staff to doctors is 2:1.
护士和医生的比例是2：1.

权威例句

Sex ratio and unisexual sterility in hybrid animals
Empirical Likelihood Ratio Confidence Intervals for a Single Functional
The Dividend-Price Ratio and Expectations of Future Dividends and Discount Factors
OFDM with reduced peak-to-average power ratio by optimum combination of partial transmit sequences
The validation of visual analogue scales as ratio scale measures for chronic and experimental pain.
Extraordinary sex ratios. A sex-ratio theory for sex linkage and inbreeding has new implications in cytogenetics and entomology.
What's the relative risk? A method of correcting the odds ratio in cohort studies of common outcomes.
Familial Alzheimer's Disease–Linked Presenilin 1 Variants Elevate Aβ1–42/1–40 Ratio In Vitro and In Vivo
Effects of dietary fatty acids and carbohydrates on the ratio of serum total to HDL cholesterol and on serum lipids and apolipoprote...
Efficacy and safety of dabigatran compared with warfarin at different levels of international normalised ratio control for stroke pr...

同义词

scale rate proportion inverse proportion

同根词

ratio rateable

r开头的单词