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

I need a so-called base case even in my analysis here.

在分析过程中我需要一个所谓的基本条件。

哈佛公开课 - 计算机科学课程节选

This analysis has explained why people don't always help others in need.

这个分析解释了为什么人们,并不总是帮助有困难的人。

耶鲁公开课 - 心理学导论课程节选