The typical secondary storage medium of a microcomputer is the floppy and hard disks. A floppy disk, or diskette, is a thin circular piece of flexible polyester coated with a magnetic material.

微型计算机的典型的辅助存储介质是软盘和硬盘。

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Hard Disk Drive (HDD) is one of the most widely used storage accessory, which USES magnetic recording to store data.

硬盘驱动器是目前应用最广泛的存储设备之一，而硬盘驱动器是采用磁记录来存储和读取数据的。

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The hard disk, also known as fixed disk, is composed if disk sheets of magnetic substance coated with mental material and read-write devices of the disk sheets.

硬盘又叫固定盘有金属材料涂上磁性物质的盘片与盘片读写装置组成。

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The bulk of digital content in data centers will remain on magnetic storage media either hard disk drives or magnetic tape.

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The company has controlled its costs by using three tiers of storage with hard disk drives and magnetic tape.

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It is also a vital component of high-voltage wires, magnetic coatings for high-density hard disk drives, fiber optics, fiberglass, catalytic converters and spark plugs.

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