What is the ratio of men to women in the department?

这个部门的男女比例是多少？

《牛津词典》

A ratio of less red and to more far-red light would cause a reaction from the plant.

较少红光和较多远红光的比例会引起植物的反应。

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This fascinating experiment showed that plants not only detect and react to specific wavelengths of light, plants can also detect and react to changes in the ratio of one wavelength to another.

这个有趣的实验表明，植物不仅能探测和对特定波长的光产生反应，还能探测不同波长比率的变化并对其做出反应。

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The ratio of nurses to population is about ten times higher in the United States and countries in the European Union.

VOA: special.2010.06.07

And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

The history of mortgages is that they have generally over time gotten more easy on loan-to-value ratio and also on maturity.

从抵押贷款的历史来看,随着时间推移,抵押贷款,对于贷款价值比和期限越来越宽松

耶鲁公开课 - 金融市场课程节选

In May it raised that to ratio to 0.35 and promised to buy back up to 12% of its stock.

FORBES: Up From the Pits

According to IBM, sentiment on the topic of gasoline prices, which have declined recently, is more positive than last year, with a 5 to 1 ratio of positive to negative mentions in 2012 compared with a 1 to 1 ratio in 2011.

FORBES: IBM's Upbeat Social Sentiment Index for Memorial Day

The aim to reduce the debt to GDP ratio to 120% of 2020 will not be reached.

BBC: Greece euro crisis: Most dangerous moment