The water flows at about 1.5 metres per second.

水的流速约为每秒1.5米。

《牛津词典》

Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.

有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。

《柯林斯英汉双解大词典》

Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".

卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。

youdao

thirty-six feet per second up. Very smooth, very quiet ride."

VOA: special.2009.07.15

We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.

在化学计算中我们很少,用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。

麻省理工公开课 - 化学原理课程节选

So, keep in mind that one milliwatt is just the same as saying 1 times 10 to the -3 joules per second.

所以，请记住1毫瓦,和1乘以10的-3次方焦耳每秒,的说法是等同的。

麻省理工公开课 - 化学原理课程节选

Remember that pair of 100 terabit-per-second connections we told you about earlier this moth?

ENGADGET: blogger-avatar

The new motion controller processes a stunning 2GB of data per-second to accurately read your environment.

ENGADGET

As measured by pure bits-per-second, Michael, at his peak, processed more information than anyone else.

FORBES: The Smartest Of Them All