尽管这已经相当不错,但编程语言的美丽在于它们能帮助您定义自己的类。
While that's a pretty good deal, the beauty of any programming language is the ability to define your own classes.
当然,虽然它们的内容是私有的,但其定义却不是私有的。
While their content is, of course, private, their definition is not.
本文大量地应用了它们,并从细节上解释了它们,但没有为它们提供定义的参考。
This article USES them extensively and explains them in some detail but is not a definitive reference.
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?
We're going to find other properties that do care about the history of the system like work, that you put in the system, or heat that you put in the system, or some other variables But you can't use those to define the equilibrium state.
我们还会发现其他一些,与系统的历史有关的性质,比如你对系统做的功,或者你向系统传递的热量,或其他的变量,但你不能用它们,来定义平衡态。
We'll be going over them again and finding them, I hope, ; more fascinating as we learn more about them; but at the same time, even as I rattle off this list of possibilities, probably you felt in yourself an upsurge of skepticism.
我希望通过学习会发现,它们越来越有趣;,但同时,当我说完这些定义以后,你心中也许会充满怀疑。
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