Database can be stored on magnetic disk or tape, disk, or some other secondary storage device.
数据能存储在磁盘或磁带 、 光盘或某些辅助存储器上面.
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A repository for demountable recorded media, such as magnetic disk packs and magnetic tapes.
可装卸记录媒体(如磁盘组和磁带)的存储仓库.
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然而, 由于该方法需要硬盘或光盘存储, 它是昂贵得多磁带.
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There are four kinds of storage hardware: floppy disks , hard disks optical disk, and magnetic tape.
存储硬件有四种: 软盘、硬盘 、 光盘和磁带.
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其它的例子是软磁盘 、 磁条 、磁卡读出机和机内通信链.
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Identification of the first magnetic tape, drum, and disk systems is difficult.
考证第一部磁带, 磁鼓或磁盘系统究竟是何时制成的,这是一件颇不容易的事.
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Because, in memorandum I say disk breakdown is first ( magnetic head ) breakdown.
在备忘录里我说磁盘故障是因为头 ( 磁头 ) 的故障.
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When the disk rotation speed increases , the stability of magnetic head is slightly worsened.
高转速的磁盘对磁头稳定性不利,但影响不大.
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