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》

The ratio of oxygen-16 to oxygen-18 found in the calcite of a foraminifer's shell depends on the temperature of the water in which the organism lived.

在有孔虫壳的方解石中发现的氧-16和氧-18的比例取决于该生物生存处的水温。

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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

We had a similar, even higher price-to-earnings ratio of about forty-six at the peak in 2000 and it corrected way down.

000年时我们的市盈率甚至更高,达到了46,后来经过修正降低了

耶鲁公开课 - 金融市场课程节选

The goal of the exercise was to reduce the ratio of debt to Gross Domestic Product (a standard way of measuring red ink) to 60 percent.

FORBES: Deficit-Fix Cage Match: VAT Vs. Higher Income Tax Rates

Measured by the ratio of whites to blacks, the ratio of city to rural folk and past election returns, Missouri is a microcosm of the nation that surrounds it.

ECONOMIST: A wide-open race now that Dick Gephardt has retired

Being able to tweak the ratio of calcium to phosphate alters not only the strength of the NanOss, but also the rate at which it is absorbed and the ease with which it combines with collagen, a protein that is the other main ingredient of bone.

ECONOMIST: Nanotechnology