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 an easy thing to do in planar geometry is I want to make a line segment.

在平面几何里比较容易的一件事,就是做一个线段。

麻省理工公开课 - 计算机科学及编程导论课程节选

There's a line segment, it's got a starting point and ending point.

做一个线段，需要一个，开始点和一个结束点。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Consumer segment offers wire line services such as internet, telephony and television, and retail and wholesale wireless services.

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If Apple only moves production of one segment of its Macintosh product line, as reports indicate, the total shift in COGS could amount to less than 1 percent in 2013.

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The remaining 15% of first-half sales came from the aviation segment, which offers a comprehensive line of panel-mounted and portable products, including completely integrated systems that deliver flight instrumentation, location, navigation, communication and identification data.

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