所以我们就来想这些三角形的高。

So let's think in terms of the heights of side triangles.

youdao

我将要用这些三角形的高。

I am going to use the height of these things.

youdao

这个阶段的脑电图以高幅低频的三角形delta波为主，所以被称为Delta睡眠。

It is called delta sleep because of the presence of high amplitude, low frequency delta waves that are seen to occur in the EEG.

youdao

Need to get the base in. Second thing I want to do, I need to get the height, so I'm going to input a value for the height, also as a float, a floating point.

也就是输入底的值，第二件我想要做的，事情就是得到三角形的高,因此我会输入一个值作为三角形的高，同样也是一个浮点数。

麻省理工公开课 - 计算机科学及编程导论课程节选