But in terms of SI units, which become much more useful if you're actually trying to use intensity in a problem and cancel out your units, we're just talking about joules per second is what intensity is.

但是用国际单位制，这个变得越来越有用了,如果你实际上在使用强度,来解决问题和约化单位，我们仅仅讨论每秒钟的焦耳,这就是强度。

麻省理工公开课 - 化学原理课程节选

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

We divide that by the mass, so 0.12 kilograms, that's the mass of a regulation baseball for the major leagues, and the velocity of the baseball is 42 meters per second. So, we can cross out our units doing our unit analysis.

我们用质量来除它，质量为0，12千克，这是大多数联赛规定的棒球质量,棒球的速度为42米每秒,所以，我们可以消去单位,来做单位分析。

麻省理工公开课 - 化学原理课程节选

That gives Apple enough memory to crank out the equivalent to between 60 million and 75 million 8-gigabyte units during the second half of this year, Handy argues, up from 30 million units during the same period last year.

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The South Korean conglomerate shipped 19.2 million units during the second quarter, giving it 17.5% of the market, up from 3.1 million units, or 5% of the market during the year-ago quarter.

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Nokia, by contrast, shipped 16.7 million units for a 15.2% share of the market during the second quarter, down from 23.8 million units for a 23.8% share of the market during the second quarter of 2010.

FORBES: Apple And Samsung Race Past Nokia To Become Top Two Smartphone Vendors