... 信号记录电报术 Signal-recording telegraphy 主要时隔 Significant interval 硅控整流器 Silicon control rectifier(SCR) ...
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爱迪生最初的精力主要放在对说话声音的复制上，然而时隔不久，爱迪生这项发明的音乐应用价值便为世人所认识，并被推向了市场。
While Edison concentrated at first mainly on the reproduction of voice, it was not long before the musical uses of his invention were recognized and marketed.//
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