“active muffler”的概念、定义、翻译、参考文献-科学参考

单词	active muffler
释义	active muffler Encyclopedia 工学有源消声器释 active muffler有源消声器在传统消声设备基础上加装次级声源，通过有源控制器实现次级声源强度的调节，以相消干涉方式实现噪声降低的一种声污染控制设备。
随便看	restriction fragments length polymorphism restriction homomorphism restriction landmark genome scanning restriction map restriction mapping restriction modification system，RM system restriction of a connection restriction of a distribution restriction of a function restriction of a mapping restriction of a measure restriction of an operator restriction of a representation restriction of a structure restriction of measure u on set E restriction of measure μ on set E restriction of obstacle around airport restriction of scalars restriction of trademark right restriction point restriction site restrictions of intellectual property rights restrictions on competition restrictive business practices restrictive food intake disorder

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