他们指出，藻类很便宜，生长速度很快。

They point out that algae is cheap and grows very quickly.

youdao

一算横版飞行射击手游！画面不错！运行速度很流畅。

A horizontal version count outbound flight shooters! Good picture! Speed is very smooth.

youdao

宵禁毫无疑问将削减谋杀率，但是不管怎样下降速度很缓慢。

The curfew will doubtless cut the murder rate, but it was slowly coming down anyway.

youdao

And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.

在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。

麻省理工公开课 - 化学原理课程节选

and we like log algorithms, because they're really fast. A typical characteristic of a log algorithm is a pro-- or sorry, an algorithm where it reduces the size of the problem by a constant factor.

并且我们也很喜欢对数算法,因为它很快,对数算法的典型特性是高速，哦，抱歉，是他能以常数因子的速度,降低问题的大小，很明显。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's useful to have the average acceleration, which you can find by taking similar differences of velocities.

平均加速度也是很有用的,你可以用类似方法,取速度的变化量求出来

耶鲁公开课 - 基础物理课程节选