“ineffectiveness of high frequency”的概念、定义、翻译、参考文献-科学参考

单词	ineffectiveness of high frequency
释义	ineffectiveness of high frequency Encyclopedia 工学高频失效释 ineffectiveness of high frequency高频失效当噪声以平面波进入消声器的平直的介质流通通道，通道横截面尺寸一定时，频率越高（波长越短）的噪声就有越大的比例接触不到消声构件的壁面，消声构件对这些高频噪声的衰减作用逐渐减弱直至消声效果可以忽略的现象。
随便看	architecture-aware database system architecture boundary architecture configuration architecture-conscious database system Architecture Criticism architecture criticism architecture critics architecture description language architecture description language, ADL architecture design architecture design of management system architecture documentation Architecture for the Poor Architecture Institute of Japan architecture in the Dunhuang Sui and Tang Dynasty Murals architecture landscape planning architecture meteorology architecture modeling Architecture of Benin Kingdom architecture of metropolitan area network architecture of Ming and Qing Dynasties architecture of optical access network architecture of Qin and Han dynasties architecture of Shang and Zhou dynasties architecture of Song,Liao,Jin and Yuan dynasties

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