When you actually wanna store information on disk, you can actually use magnetic particles.
当你想在磁盘上存储信息时，你可以使用磁粒子。
2
And when you actually wanna store information on disk, can you actually use, as we'll see in a moment, magnetic particles.
当你想在硬盘中存储信息时，我们将会用到后面，我们会谈论的一种称之为磁性粒子来实现它。
3
The giant magnetoresistance (GMR) effect allows drives like this one, less than an inch in diameter, to detect the tiny magnetic fields that store data in portable electronic devices.