Magnetic disk is a flat circular plate with a magnetizable surface layer on which data can be stored by magnetic recording.
磁盘是一种带有可磁化层的扁平圆盘，在其表层上可用磁记录方式存储数据。
The surface field near the magnetoresistive head must be known to analyze the read back voltage of the magnetoresistive head in a magnetic recording system.
为了研究磁阻磁头的读出电压，有必要从理论的角度求得磁阻磁头的表面场。
Magnetic DisC: a generic term for any flat circular plate having a magnetic recording surface onto which data may be recorded, erased and recorded.
磁碟：任何有着可以用磁力作贮存，删除，再贮存的表面的圆形板片的总称。
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