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一 数学录像机的磁头配置及其相对 录像机实质上是一个电-磁、磁-电转换系统,其“心脏” 就是作为换能器件的磁头。磁头不同的配置决定了录像机的
The head configuration of a math video recorder and its relative video recorder is essentially an electro-magnetic, magneto-electrical conversion system whose “heart” is the head of a transducing device. Head of the different configuration determines the video recorder