Track density can be greatly enhanced by employing optical servo technology in a disk drive.

在磁盘驱动器中借助光伺服技术可以大幅度提高道密度。

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Dust absorption in the optical drive, keyboard, mouse, and other components used will affect the normal operation of these parts (of course also affects the service life).

灰尘吸附在光驱、键盘、鼠标等经常使用的部件上，会影响到这些部件的正常工作。

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A head crash in a fixed hard disk generally destroys the data, whereas the failure of a tape drive or optical disk drive often leaves the data cartridge unharmed.

对于固定的硬盘，磁头撞击通常会破坏数据，然而磁带或光盘驱动器的错误通常对数据盘碟是无害的。

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The final nail in the coffin was the lack of a built-in optical drive.

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The typical standards of built-in optical drive, HP QuickPlay, 6-in-1 card reader and 6-cell batter round out the capable, but lower-end laptop.

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Another impressive feature is the unit's reported ability to play back DVDs via the built-in optical drive (while in park, obviously), or you can hookup the forthcoming Wii or PlayStation 3 to the dual video inputs fpr keeping you and your co-riders entertained should you hit a traffic jam (or LA stoplight).

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