一位老师给她的学生们布置了一项有趣的任务——画一幅图来表达他们的感谢。

A teacher gave her class an interesting task—to draw a picture of something to express their thanks.

youdao

所以让我再画一幅图吧。

So, let me draw another picture.

youdao

让我们用卷积法来画一幅图。

Let's paint a picture using convolution.

youdao

OK PROFESSOR: Valence electrons. OK, sometimes you're going to be asked to draw a molecular orbital diagram where you're asked to include all electrons, and sometimes it will specifically say only include valence electrons.

教授：价电子，有时候你画一幅分子轨道图,有时候要求你画出所有的电子，有时候特别要求,只包括价电子。

麻省理工公开课 - 化学原理课程节选

One, two, three, four, so on each level of the picture I'm drawing, I've seem only to be looking at each number once.

，2，3，4，可见，在我画的,这幅图的每一层上，对每个数字,都只会用到一次。

哈佛公开课 - 计算机科学课程节选