这样一来，我们避免了将任何其他数据写入驱动器，并减少了任何随机磁头的移动。

That way, we avoided having any other data written to the drive, and reduced any random head movement.

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现在，大多数常用的企业硬盘驱动器(HDD)都受到磁头移动速度、盘片旋转速度和查找延时的限制。

Now, the most commonly used enterprise hard disk drives (HDDs) are limited by the rate of head movement, the speed of the spinning platter, and seek latency.

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这个珠江三角洲畔籍籍无名的城市，制造了全世界30%用于硬盘驱动器的录音磁头，全球16%的电子键盘。

This little-known city in the Pearl River delta makes 30% of the magnetic recording heads used in hard drives across the world and 16% of the world’s electronic keyboards.

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