“sound-reinforcement system”的概念、定义、翻译、参考文献-科学参考

单词	sound-reinforcement system
释义	sound-reinforcement system [`sau̇nd ´rē·in`fȯrs·mǝnt ´sis·tǝm] ^{ENGINEERING ACOUSTICS} An electronic means for augmenting the sound output of a speaker, singer, or musical instrument in cases where it is either too weak to be heard above the general noise or too reverberant; basic elements of such a system are microphones, amplifiers, volume controls, and loudspeakers. Also known as public address system.
随便看	collating sequence collating unit collator collect collecting power collecting tubule collection trap collective collective bargaining collective electron theory collective fire collective ion accelerator collective mode collective motion collective paramagnetism collective transition collective unconscious collector loop transfer function loop transmission loop transmittance loop tunnel loop-type pit bottom loop-type radio range loopway

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