要处理与一个线段顶点对齐的线上的点，必须使用仅计算低于该线的线段的子句。

To deal with the points on the line aligned with a segment vertex, clauses that count only the segments that are lower than the line are necessary.

youdao

他们所需做的仅是指出右侧中的哪一条线段与左侧的线段等长。

All they had to do was say which line on the right matched the one on the left.

youdao

类，表示水平和垂直线段，这些线段可协助用户在设计时对组件。

Class that represents horizontal and vertical line segments that assist users in aligning components at design time.

youdao

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

And I would be able to simply bury away the details of how those other instances are created from how I want to use them by simply calling methods on the classes.

也就是一些线段的组合,我还可以把怎么实现那些,实例的细节包装起来,把它和调用实例分开来,我们下次还会接着讲这个。

麻省理工公开课 - 计算机科学及编程导论课程节选

So these distances are the lengths of these line segments.

这些线段的长度就是距离

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