A type of hard disk storage device in which the disk is hermetically sealed inside its disk drive.

一种硬盘存储器设备，其中盘片密封在磁盘驱动器内。

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A disk storage device that stores data in blocks of fixed size; these blocks are addressed by block number relative to the beginning of the particular file.

一种按固定长度数据块来存储数据的磁盘存储设备，这些数据块按相对于某文件开始的块号进行寻址。

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Just two years earlier, IBM had also developed the first random access disk storage device, the random access Memory for Accounting and Control (RAMAC) 350, so there was a place to store this stuff.

就在两年前，IBM还开发了第一个随机访问磁盘存储设备，Random Access Memory for Accounting and Control (RAMAC) 350，所以有了存放这些东西的地方。

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Copy any financial data and important personal files on to a disk or data storage device to put in your safe or safe deposit box.

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The secret to packing that much information on such small real estate--about 15 times denser than the densest data storage device currently in existence--is self-assembly, or tricking the disk's materials into organizing into an array of data-storing dots packed far tighter than what could be accomplished with current techniques.

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