Your mobile phone produces electromagnetic fields. Please do not put it around magnetic storage medium such as computer disk.

您的移动电话会产生电磁场，请不要放置在一些诸如计算机磁盘之类的磁存储媒质附近。

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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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A magnetic storage in which the magnetic medium consists of magnetic cores.

用磁心作为磁性媒体的一种磁性存储器。

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At the moment the mass-storage medium of choice is magnetic tape, which has the advantage of being cheap.

ECONOMIST: Computing