一起吃饭的人定义了社会单位。

Who eats together defines social units.

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《富足社会》是一部现代经典著作，因为它帮助定义了人类处境的一个新时刻。

The Affluent Society is a modern classic because it helped define a new moment in the human condition.

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为使用方便，我们定义了一个关键字同义词，它显示客户名称，但是仅存储客户编号。

For ease of use, we define a keyword synonym that displays the customer name, but stores only the number.

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And that's also how people find ways to break the second law, because somehow they've messed up on what their system is.

这就说明了某些人是如何想到办法,“打破“第二定律的，因为他们以各种方式搞错了,他们的系统的定义。

麻省理工公开课 - 热力学与动力学课程节选

But we've defined the enthalpy of those elements in their stable state at room temperature and pressure as zero, right?

但我们已经定义了这些,元素处于它们室温和常压下,最稳定的状态时的焓为零，对吧？

麻省理工公开课 - 热力学与动力学课程节选

All right. Then we're going to set low to-- low and high, and we're going to perform exactly the process I talked about.

不满足条件,我们就可以直接停止运行了，好，接下来我们要定义边界值,然后按照我之前。

麻省理工公开课 - 计算机科学及编程导论课程节选