This switch controls the number of rotations per minute.

这个开关控制着每分钟的转数。

《牛津词典》

Each tape lasts three minutes and costs 36 cents per minute off-peak and 48 cents at all other times.

每盘磁带持续3分钟，非高峰时间每分钟36美分，其他时间48美分。

《柯林斯英汉双解大词典》

Multiply this number by 6 to get your heart rate per minute.

将这个数字乘以6就得到了你每分钟的心率。

youdao

"You don't have to do all of your exercise in one setting. You could break a 30 minute per day recommendation into three 10 minute bouts of exercise."

VOA: standard.2010.02.26

Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.

即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快，仍然比光速慢。

哈佛公开课 - 计算机科学课程节选

If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.

金箔的时候，计数率就变成零了,如果他把金换成比如说铁，他们还尝试了铂,还有一系列其他的箔片，他发现计数率还是每分钟。

麻省理工公开课 - 化学原理课程节选

Promoters say fans flooded phone lines at the rate of 15, 000 calls per minute.

CNN: Showbuzz

Most people's hearts beat at 70-80 beats per minute, when they exercise it's about 150 bpm.

CNN: 'I'd be an invalid without this device'

Those sensors capture over 5, 000 data points per minute, but they take up space.

ENGADGET: BodyMedia's CORE 2 armband tracks your health, or lack thereof