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.
磁盘盘片在无需移动磁头的前提下即可读取的所有扇区组成一个磁道。
All the sectors on a disk platter that can be read without moving the head constitute a track.
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.
各盘片上在无需移动磁头的前提下即可读取的磁道的集合称为柱面。
The collection of tracks on the various platters that can be read without moving the head is called a cylinder.
因为越靠近中央，密度越大，实际上磁头只需移动更短的距离。
Because it is more dense as it moves toward its center, there is actually less movement of the head.
然而，(帕金博士的这一新技术)不似传统硬盘技术转动硬盘盘片那样移动磁头下的电线，而是使用一股电流推动这些“域”沿着电线移动。
But instead of moving the wire to bring those domains under the heads, in the way that a spinning hard disk would, his device moves the domains themselves along the wire, using an electric current.
一种机械装置，用于移动诸如读写磁头之类的部件。
The mechanical device that moves something , usually read/write head.
此算法优化了磁头的移动路径，避免了I/O拥塞，并提高了系统性能。
This algorithm can optimize the movement path of the disk (?)ead, as well as avoid the I/O congestion and improve performance.
此算法优化了磁头的移动路径，避免了I/O拥塞，并提高了系统性能。
This algorithm can optimize the movement path of the disk (?)ead, as well as avoid the I/O congestion and improve performance.
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