重放磁头
- playback head
重放磁头
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记录-重放磁头,录音-放音磁头能记录复制电话录音的录音机。
Recording reproducing head a tape recorder that records and reproduces dictation .
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阐述了磁头的基本工作原理,绘制了磁头的频率响应曲线,给出了缝隙损耗的计算公式,揭示了重放磁头的缝隙损耗是造成磁记录的频率响应范围受到限制的主要原因。
The basic working principle of magnetic head is described , frequency response curve is given as gap-depletion expression , and gap-depletion is explained to be the main cause that the frequency response range of tape recorder is limited .