So if I have 32 bits, each of which can be a 0 or 1, that's two possibilities for every place, so 2 to the 32, that's 4 billion.

如果有32比特的话，每个比特都有0或，两种可能性，所以是2的32次方，也就是40亿。

哈佛公开课 - 计算机科学课程节选

By regular rate we mean that the amount of time that each chord holds is exactly the same; every chord holds for the same length of time.

如果变化频率规则，那么和声中每个和弦持续的时间长度是完全相同的;,每个和弦都持续同样长的时间。

耶鲁公开课 - 聆听音乐课程节选

Then he had a machine that granted each pigeon one piece of corn every fifteen seconds; that's very, frustratingly slow for a hungry pigeon to get one piece every fifteen seconds.

他们设计了一个能保证,每隔15秒给鸽子喂一玉米粒的装置,对饥饿的鸽子来说是杯水车薪,每15秒才只有一粒玉米

耶鲁公开课 - 金融市场课程节选