As soon as I detect with what we'll call a condition if I'm touching the edge I have to essentially spin around 180 degrees and then continue looping.

一旦我检测到这种情况,当我碰到边界时,我需要转180°然后继续这一循环过程。

哈佛公开课 - 计算机科学课程节选

And then I could put a couple of plates and I could raster the beam so that when I am looking here,the beam goes back and forth about 80 times a second.

然后我放了两个感光片,我可以检测到光束所以,当我观察时,电子束以每秒80次的速度来来回回了。

麻省理工公开课 - 固态化学导论课程节选

What else can you detect as a yes or no answer is the mouse down?

当鼠标点下时，除了检查真假还能检测什么？

哈佛公开课 - 计算机科学课程节选

So tens or hundreds of millions of dollars would go into a study like this by the time it was completed, money that could have been used for other things, to test whether eating a low fat diet would reduce risk for breast cancer.

数以百万计的美元,投入到这样的研究,当研究结束时,本可以用来做其他事情的钱,被用来检测是否低脂膳食,可降低患乳腺癌风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选