The base package including point class, line class, area class, volume class, complex object class and relation class, is the base of the application package and the combination package.

其中基础类包是应用类包和组合类包的基础，它用点、线、面、体、复杂对象和关系类等基本的要素表示三维空间。

youdao

And, I will go through the actual line by line derivation not because I want to do derivations in class.

我们要仔细讨论实际的线,和推导出来的线,并不是我想在这节课做推导。

麻省理工公开课 - 固态化学导论课程节选

Now I have the ability to say, I've got a new class, I can create instances of a line segment, and it's elements are themselves instances of points. OK?

这就是我们要讲模块化的地方了，现在我可以说，我创建了一个新类，我可以创建线段的实例了,这些实例的元素？

麻省理工公开课 - 计算机科学及编程导论课程节选

So all of these programs or commands that we've been using thus far for the piece set in class, take what we call command line arguments, they are the zero or more words that follow the program's name.

所有我们一直在课堂上使用的,这些程序或者命令，携带着命令行参数，它们是跟在,程序名的后面的一个或多个单词。

哈佛公开课 - 计算机科学课程节选

The jobs you discribe here are middle class jobs and middle class people have to watch thier money even more so then the poor because the poor are already poor so it can almost all but get better for them but middle class live on a line that can break them into being poor class with one financial crisis.

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Favoring the middle class or the upper class is an ideal battle line for the Democrats, since the middle class holds more voting levers.

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With the Maybach brand going the way of Duesenberg and DeLorean, Mercedes dealers will debut an even posher version of its top-of-the-line S-Class sedan this fall to help fill the gap in the corporate model line and perhaps compete more efficiently with Bentley and Rolls-Royce for the hearts and wallets of the rich and famous.

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