And so, even by units analysis, if the units come out right, you've got a good shot that unless you've really, really messed up, that the answer is going to be right.

甚至在单位分析中，如果你的单位正确，你就能做的很有条理否则会一团糟，而注意了单位你的答案才有可能正确。

麻省理工公开课 - 固态化学导论课程节选

Occasionally, you'll find you need to cancel out units, because, of course, you're always doing unit analysis as you solve your problems, and sometimes you'll need to convert joules to kilogram meters square per second squared.

偶然地，你会发现需要消除单位，因为在解题时,经常要做单位分析，所以有时候需要把,焦耳换做,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

And because of this nutritionism, because of the reductionism where we have become so precise about what we eat in terms of its tiny constituents that we've lost track of the bigger picture of food.

由于被营养学,以及简化论所左右,使得我们对食物的,简化论:社会调查的一个名词指用个体层次资料揭示宏观层次的现象 每一点细节都变得特别在意 即用比较低的分析单位来测量而作出的是比较高的分析单位才能得出的结论,反而失去与食物在宏观上的联系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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