英语词汇“magnetic head”是什么意思，“magnetic head”的读音、用法及例句翻译-烛光网

词汇	magnetic head
释义	magnetic headn.（名词） An electromagnet, such as one used in a tape recorder, that converts electrical impulses into variations in the magnetism of a surface for storage and subsequent retrieval.磁头：一种电磁体，例如用在磁带录音机上的那种，能减弱电脉冲强度以备贮存在磁性表面上并能回收失去的电脉冲
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