The interest rate has units of time, so I have to specify a time period over which I'm measuring an interest rate.

不同时间段有不同的利率,因此我必须在不同的时间段,细化不同的利率

耶鲁公开课 - 金融市场课程节选

In my in my area of research, it's common for us to want to process about 100 images a second in order to get real time display. Each image has about a million elements in it. I 've got to process about a half a gig of data a second in order to get anything out of it.

在我们的研究领域内，我们经常要在一秒钟内处理大概,100张图片以获得实时显示,每个图片大概包括了100万像素,因此我必须在1秒内,处理半个G的数据,来获取我想要的。

麻省理工公开课 - 计算机科学及编程导论课程节选