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.
然而，要使这一技术像硬盘那样运作，同样位数的数据要不断地穿过读写磁头。
For the technology to work like a disk, though, the same bits of data will have to pass repeatedly under the reading and writing heads.
这是磁头下的磁盘旋转到能读取所需要数据的正确位置所需要的时间。
This is the time it takes to correctly position the platter underneath the head so that the desired data can be accessed.
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