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。
The advancements in technologies of magnetic recording systems, including hard disk drive, diskette and magnetic tape, is briefly reviewed.
本文简要介绍硬磁盘、软磁盘和磁带等磁记录系统近年来在技术方面的主要进展。
The cost per Megabyte of hard disk storage is competitive with magnetic tape if only one tape is used per drive.
硬盘存储的每兆字节成本与磁带不相上下，如果每个驱动器只用一条磁带。
The cost per Megabyte of hard disk storage is competitive with magnetic tape if only one tape is used per drive.
硬盘存储的每兆字节成本与磁带不相上下，如果每个驱动器只用一条磁带。
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