magnetic substance

基本解释

We cannot make a non-magnetic substance into a magnet.
我们无法用非磁铁性物质制成磁铁。
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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。
With summarizing the magnetizing separation technology and its application, the magnetizing principle for weakly magnetic substance and magnetizing separation flow is given in this paper.
概述磁化分离技术与应用，提出了弱磁性物质磁化原理与磁化分离流程。