比例

jī běn chéng fèn shì shí huī shí hé nián tǔ bǐ lì wéi bǐ

基本成分是石灰石和黏土，比例为2比1。

The basic ingredients are limestone and clay in the proportion 2:1.

cóng shì gāi zhí yè de nǚ xìng bǐ lì yǐ shēng gāo dào bǎi fēn zhī

从事该职业的女性比例已升高到百分之13。

The proportion of women in the profession had risen to 13%.

wǒ gū jì jī chǔ yán jiū de bǐ lì zuì duō zhǐ zhàn bǎi fēn zhī

我估计基础研究的比例最多只占百分之30。

There was a proportion of research, which I reckoned at not more than 30 percent, that was basic research.

chéng bǐ lì

成比例

in proportion to do

fǎn bǐ lì

反比例

inverse proportion

cháng bǐ lì

常比例

constant ratio

bǐ lì shì yòng yī yīng cùn dài biǎo yī yīng lǐ

比例是用一英寸代表一英里。

The scale is an inch to the mile.