If the units are supposed to come out in meters per second and you get seconds per meter, what do you figure the chances of that problem being right are?

因为如果单位本应该是米每秒,但你写的是秒每米，你认为这个题目,还有正确的机会吗？

麻省理工公开课 - 固态化学导论课程节选

The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.

写成5每秒，或5赫兹,你们要记住的是赫兹,并不等于秒的倒数，它是每秒的循环数，如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。

麻省理工公开课 - 化学原理课程节选

A joule is a kilogram meter squared per second squared.

一个焦耳等于,一千克乘以米的平方除以秒的平方。

麻省理工公开课 - 化学原理课程节选