That is we make animation file when you put the current to the coil of the field, getting established magnetic field.
即通过制作动画效果,当你将电流,输送到线圈上,形成磁场。
So as the particles on the disk that get the current in the read/write head moving put together millions of these magnetized segments and you've got a file.
通过读写头你就可以得到每个粒子的极性,如果把这些上百万粒子的信息,汇聚要一起就够成了一个文件。
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