magnetic substance

基本解释

We cannot make a non-magnetic substance into a magnet.
我們無法用非磁鉄性物質制成磁鉄。
wang.xh1978.blog.163.com
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.
硬磐又叫固定磐有金屬材料塗上磁性物質的磐片與磐片讀寫裝置組成。
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.
概述磁化分離技術與應用，提出了弱磁性物質磁化原理與磁化分離流程。