tape head
磁头：磁头是一种在磁带录音机中使用的传感器
常用释义
英式发音
美式发音
基本释义
- 磁头：磁头是一种在磁带录音机中使用的传感器，用于将电信号转换为磁性波动，反之亦然。它们也可以用于读取信用卡/借记卡/礼品卡，因为信用卡背面的磁带条以与其他磁带相同的方式存储数据。盒式磁带、卷盘磁带、8轨磁带、VHS磁带，甚至软盘和早期硬盘都使用相同的物理原理来存储和读取信息。介质被磁化成一种模式，然后以恒定的速度在电磁铁上移动。由于移动的磁带带有一个随之变化的磁场，它在磁头上引起了变化的电压。该电压可以被放大并连接到扬声器（音频情况下），或者被测量并分类为二进制数据（数字数据情况下）。
例句
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1·Computer calculates a theoretical taping Angle based on the geometry of tape head, tape roll width and overlap.依据包带头的几何形状，带宽及叠包率，计算机自动算出包扎角度的理论值。
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2·Secondly, we discuss the complexity any algorithm solving RHC presents by counting the moving times of the tape head on turning machine.在此基础上，通过分析通用图灵机带头移动的次数，讨论了通用图灵机上任一求解RHC的算法的复杂性。
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3·Similar results were found whether the students indicated head size by drawing an outline on paper or by demonstrating size with a tape measure.无论研究者们是通过在纸上画他们头像的轮廓还是用卷尺量他们头的大小都会产生相似的结果。
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4·Moldy and unclean tape can not be used, because it will wear head impact shooting.有霉点和不洁净的磁带不能使用，因为其会磨损磁头，影响拍摄效果。
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5·But if you start to play a new tape in your head, you will be surprised at the change in the way you feel.但是你如果在你的头脑里放上盒新的录音带，你可能惊讶你的感觉正在改变。
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6·Miss Cellania at Mental Floss offers many tips to help you doze off unobtrusively, some (propping your head) more helpful than others (eyelid tape).Mental Floss的莎莉妮小姐会为你提供一些不引人瞩目的打瞌睡的方法，有些(撑着头)比另外一些(戴眼罩)更有用。
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7·A head crash in a fixed hard disk generally destroys the data, whereas the failure of a tape drive or optical disk drive often leaves the data cartridge unharmed.对于固定的硬盘，磁头撞击通常会破坏数据，然而磁带或光盘驱动器的错误通常对数据盘碟是无害的。
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8·The main factor affecting the wavelength response is the non-magnetic spacing between the contacting surfaces of head and tape.而影响波长响应的主要因素是磁头、磁带接触表面之间的非磁性间隔。
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9·George, making his first appearance on a royal Mail stamp, had to stand on four foam blocks bound together with tape so his head was at roughly the same height as the seated royals.这是乔治第一次在皇家邮票上露脸，为了能跟家族中其他三位坐着的长辈保持同样的高度，乔治不得不站在四块泡沫塑料板上。
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10·The sailor's head wrapped with tape and innumerable bullet holes on his back.水手头上缠满胶带，背上有无数的枪眼。