And so, there is the distinction between fixed schedules versus ratios, variable schedules and ratio versus interval.

因此，在固定时程与变化时程之间，以及在比率与间隔之间，存在着一些区别。

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Some cars have variable-ratio steering, which uses a rack-and-pinion gear set that has a different tooth pitch (number of teeth per inch) in the center than it has on the outside.

有些车的转向系角传动比是可变的，这种转向器采用齿轮齿条式，它在中间而不是外部，有不同的齿密度（每寸齿数）。

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An electronic controlled system with variable EGR ratio is built.

建立了一种排气再循环变egr率控制系统。

youdao

And so, there is the distinction between fixed schedules versus ratios, variable schedules and ratio versus interval.

因此，在固定时程与变化时程之间,以及在比率与间隔之间，存在着一些区别。

耶鲁公开课 - 心理学导论课程节选

Change the independent variable, find the change in the function, take the ratio and that's the derivative.

改变自变量,算出函数的变量,计算比值,这就是求导

耶鲁公开课 - 基础物理课程节选

Last year, there was a significant increase in the ratio of variable staff costs to total staff costs, rising to 13.4 percent and as a proportion of revenue, rising to 7.8 percent, representing the highest ratios for the last 10 years.

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In a serious setback for the UK's fight to head-off some of the remuneration curbs, the European parliament late on Wednesday night secured agreement on a mandatory 1:1 ratio on salary relative to variable pay, which can rise to 2:1 with explicit shareholder approval.

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Its Variable Compression Engine can alter its compression ratio (the volume in a cylinder when the piston is up compared with the volume when it is down) from 14-1 to 8-1, depending on the circumstances.

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