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。

youdao

BMI, or body mass index, is a ratio of weight to height.

身体质量指数，是体重和身高的比例。

youdao

A ratio above 100% is generally considered unsustainable.

普遍认为比率大于100%是不可持续下去的。

youdao

The figures in the two efforts reveal an anomaly: While Cambodia has succeeded in dramatically cutting the ratio of children who die each year, the maternal mortality figure has not dropped in a decade.

VOA: standard.2009.11.10

And this has, just like a lot of positive psychological approaches, has been ignored with a ratio 21 to 1.

正像很多积极心理方法一样，被21比1的比率忽视。

哈佛公开课 - 幸福课课程节选

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

Normally, a ratio of bond yield to earnings yield of 1.0 is considered cheap.

FORBES: Bargain bourses

Say the krona strengthens to a ratio of eight to the euro--by 12.5%, in other words.

FORBES: Euro Trashed

This produced a ratio of active premium payers to recipients of 1. 8 to 1.

FORBES: Why the Bureaucracy Won't Reform Old Age Welfare