If you just run your fingers again and again over this floppy disk, you are disorienting those particles or knocking them off perhaps altogether.

如果你把手指一次次地在这张软盘上滑动，你就会使这些粒子失去方向，或者可能会把它们全部敲掉。

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How do you get data off the hard disk?

怎样从硬盘中得到数据？

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You simply upgrade one disk then boot off it, and when you need to go back to the other version, simply boot off that disk instead.

只需升级一个磁盘，然后从它引导；当需要返回到另一个版本时，只需从另一个磁盘引导。

youdao

But in fact, if you just run your fingers again and again over this floppy disk you are disorienting those particles or knocking them off perhaps altogether, depending on the medium.

事实上，如果你把手指一次次的在磁盘上面滑动,这些粒子就会变的无极性,或者把它们整个搞坏，而这取决于媒介。

哈佛公开课 - 计算机科学课程节选

When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

哈佛公开课 - 计算机科学课程节选

How do you get data off the hard disk?

那怎样从磁盘中得到数据？

哈佛公开课 - 计算机科学课程节选

The movie streams straight off the hard disk into the mirror arrays, and thence on to the screen.

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Using Freescale's direct sequence flava of UWB, the 720p HD video ran flawlessly off the UWB attached disk.

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Plus, the Cloud Storage 4000 grows with a user's storage requirement, allowing users to start off with one SATA hard disk with the ability to add up to four drives (up to 16TB of storage) as needed.

ENGADGET: D-Link Cloud Storage 4000 NAS stores up 16TB, hooks up to your smartphone and tablet