对磨损失效的坡莫合金录音磁头和磁带进行了分析。
This paper analysed permalloy audio heads and tapes for failure.
这个珠江三角洲畔籍籍无名的城市，制造了全世界30%用于硬盘驱动器的录音磁头，全球16%的电子键盘。
This little-known city in the Pearl River delta makes 30% of the magnetic recording heads used in hard drives across the world and 16% of the world’s electronic keyboards.
录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.
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