We define value as a ratio between what the customer gets and what he gives.

我们把价值定义为一个顾客得到的和他付出的之比。

youdao

Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot.

光分辨率是以距离到镭射点直径的比例关系来描述的。

youdao

It's also an irrational number, with an infinite number of decimal places and can't be written as a ratio of two whole Numbers.

pai也是个无理数，它的小数位有无限多，而且pai无法写成了两个整数的比值。

youdao

That is the whole triumph of calculus is to know that by looking at the position now, the position slightly later and taking the ratio and bringing later as close as possible to right now, we define a quantity that we can say is the velocity at this instant.

这就得靠微积分了,通过了解它现在的位置,和一小段时间以后的位置,计算它们的比,再让时间间隔尽可能缩短,我们就定义了一个,被我们称之为瞬时速度的物理量

耶鲁公开课 - 基础物理课程节选

Were it not for this bit of accounting legerdemain, the true Debt to GDP ratio would show up as a ratio of 119 percent.

FORBES: Life On Cyprus After The Bailout

But even by the end of the decade its debt as a ratio of GDP will be 120% - the same as Italy's now.

BBC: Europe's 'big bazooka'

Both companies are similarly valued if you look at market capitalization plus debt as a ratio of earnings before accounting charges, a common valuation tool for telecom firms.

CNN: The State of the Region