Think about the advent of hedge funds -twenty or twenty-five years ago, hedge funds were a blip on the radar screen.

想想对冲基金刚出现时,差不多20或25年前,它就像雷达屏幕上的一个小点

耶鲁公开课 - 金融市场课程节选

The images you'll see are a little something like this-- absolutely mesmerizing what will be on each of your screens and oh there is also some popcorn toward term's end.

你会看到一些这样的图片-,出现在屏幕上的那些有趣的照片,学期结束时还有爆米花吃。

哈佛公开课 - 计算机科学课程节选

So, when the voltage difference between the plates is zero, or when we just don't have the plates there at all, the cathode rays are not bent, they just go right in a straight line, and they can be detected on this screen.

拐弯来测试它们是否带电,当两板之间电压为零，或者根本就,没有这两个板时，阴极射线是一条直线,它可以在屏幕上。

麻省理工公开课 - 化学原理课程节选