So, we'll set up our equivalent ratio as x tonnes of ore compared to 60 ounces of gold.

所以我们设定相应的比率为 x 吨矿石与 60 盎司黄金的比值。

We don't permit their magnesium-calcium ratio to fall below what it was at thirty.

我们不让他们的镁钙比值降低到三十岁时以下。

Urine protein-to-creatinine ratio, with serum creatinine, can give insight into the kidney's condition.

白与肌酐比值以及血清肌酐可以帮助了解肾脏状况。

The divorce rate—the number of cases per thousand people—also doubled in that period. It now stands at 2.7, well above the rate in most of Europe and approaching that of America, the most divorce-prone Western country (see chart).

离婚率已上升至2.7，跟同期相比也增加了一倍，该比值已经远超欧洲，直追美国这一离婚率最高的西方国家（见下表）。

You see, the ratio of a circle's circumference to its diameter is what's known as an irrational number, one that can never be expressed as a ratio of two whole numbers.

因为，圆周长和直径的比值一个无理数，它无法用两个整数的比值来表示。

When advertising a new car's efficiency, for example, it is more convincing to talk about the number of extra miles per gallon it does, rather than the equivalent percentage fall in fuel consumption.

比如，在宣传新车效率时，引用每加仑汽油多跑的英里数要比引用减少的耗油量的比值要更有说服力。

One measurement, typically done post-mortem, is called the Reid index, which is the ratio of the thickness of the bronchial mucinous glands, relative to the total thickness of the airway - from the epithelium to the cartilage.

雷德指数一种检验标准，一般在尸检时进行，它支气腺厚度与气道从上皮到软骨总厚度的比值。

The Big Bang model predicts certain abundances of elements — ratios of them, compared to hydrogen — and that's just what we see in the Universe at large.

大爆炸模型预测了元素的丰度——元素与氢的比值——这正我们在整个宇宙中所看到的。

Mr Geithner says it would take spending cuts and tax increases of only about 0.75% of GDP to stabilise the debt relative to GDP over the next decade.

盖特纳表明这仅需要占额GDP的0.75%支出削减和税收增长来稳定接下来十年内债务占GDP的比值。

In all three countries household and corporate debt combined were way over 200% of GDP before the crisis, much higher than in America (175%) or even Britain (205%).

但在上述三个国家，家庭和企业贷款总额与危机前gdp的比值超过了200%，这比美国（175%），甚至比英国（205%）都要高。

The area of a circle is Pi R squared, where R is the radius and Pi is the ratio of the circle circumference to its diameter.

圆的面积PI R的平方，其中R半径，PI圆周与直径的比值。

That's right, March 14th, or 3.14, the day we celebrate the fascinating mathematical constant Pi, the ratio of a circle's circumference to its diameter.

没错，3月14日，也就3.14，我们庆祝迷人的数学常数圆周率的日子，这圆的周长与直径的比值。

And if the ratio of the electro magnetic force to the strong force wasn't one percent, life wouldn't exist.

而且如果电磁力与强作用力的比值不百分之一的话，生命就不会存在了。

In fact, each additional x chromosome increases the estrogen to testosterone ratio, making the changes even more striking.

事实上，每多一条X染色体，雌激素与睾酮的比值就会变大一些，Klinefelter综合征的病征也会更明显一些。

The count was 325 to 306.

比值325比306。

This group has a median revenue growth of 32% and valuations 25 times their annual sales.

这类企业的营收增长中值为32%，估值与年销售额的比值为25。

To see which startups are most at risk, The Economist looked at the annual revenue growth and valuation-to-sales ratios for 500-odd unicorns around the world, for which PitchBook, a data firm, had information.

为了了解哪些初创公司面临的风险最大，《经济学人》研究了全球500多家独角兽企业的年营收增长和估值与销售额的比值，数据公司PitchBook掌握着这些数据。

A useful metric therefore is the FEV1 to FVC ratio, which since the FEV1 goes down even more than FVC, causes the FEV1 to FVC ratio to go down as well.

因此FEV1与FVC的比值可以作为有效的度量标准，因为FEV1值下降较多，它们的比值将会同时降低。

These firms have a median valuation of 28 times their sales and revenue growth of 33%.

这些公司的估值中值与其销售额的比值为28，营收增长为33%。

For the whole lot, the median revenue growth was 63% and the value-to-revenue ratio was 22.

整体而言，营收增长中值为63%，估值与营收比值为22。