This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.

这些设备是很紧密的以至于人的头发,都不能在头和旋转的磁盘之间通过，尽管如此，它的运行速度非常快。

哈佛公开课 - 计算机科学课程节选

But in hard drives where we actually have these moving platters, here is in fact, how we get from electricity and magnetism to those zeros and ones.

但是在传统硬盘中我们确实有高速运转的磁盘，这就是事实，但问题是我们如何,把电磁信号转化为0和1的。

哈佛公开课 - 计算机科学课程节选

Other signals move the read/write heads to read or write data on the platters.

其他的信号移动读写头,来到硬盘中去读或者写。

哈佛公开课 - 计算机科学课程节选

Some of the signals control a motor which spins metal-coded platters.

一些信号控制一个用于,金属编码磁盘的旋转。

哈佛公开课 - 计算机科学课程节选

Your data is actually stored on these platters.

你的数据实际上存储在这些磁盘中。

哈佛公开课 - 计算机科学课程节选