在1996年的亚特兰大奥运会上，这些东西让自行车和划艇运动员的比赛时间缩短了差不多2%。

At the Atlanta Olympic Games in 1996, these sliced as much as two per cent off cyclists' and rowers' times.

youdao

加入炼乳和奶油会使制作时间缩短。

Using condensed milk and cream makes for a quicker process.

youdao

这封信写得比平常要长，因为我没时间缩短它。

I have made this letter longer than usual because I lack the time to make it shorter.

youdao

It literally halves the amount of time it takes to solve that problem but we can actually do better.

它能把解决问题时间的缩短一半,但其实我们能做的更好。

哈佛公开课 - 计算机科学课程节选

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