线性阵列也可以包括其它声学元件，例如端口或无源辐射体。
The line array may also include other acoustic elements, such as ports or passive radiators.
并对含有穿孔管声学元件的消声器进行传递损失计算和消声性能分析。
Their transmission losses are calculated, and their silencing of noise properties analyzed.
此外，该第一集成电路管芯、该至少一个附加的集成电路管芯以及该声学元件阵列一起形成大孔径换能器阵列。
In addition, the first integrated circuit die, the at least one additional die integrated circuits, and the array of acoustic elements together form a large aperture transducer array.
用于电子元件特别是声学表面波元件的多路印刷线路板以及在多路印刷板上构造针脚焊点，焊接架，隔片等的方法。
Multiple printed circuitboard for electronic components esp. acoustic surface wave elements, and method for constructing bumps, soldering frames, spaces on said multiple printed circuitboard.
本文针对消声器声学性能的计算方法和穿孔元件的声学特性开展系统研究。
Therefore, the present thesis will investigate in detail the calculation methods of acoustic attenuation performance of silencers and the acoustic characteristics of perforated elements.
本文针对消声器声学性能的计算方法和穿孔元件的声学特性开展系统研究。
Therefore, the present thesis will investigate in detail the calculation methods of acoustic attenuation performance of silencers and the acoustic characteristics of perforated elements.
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