以上来源于: WordNet
Sea surface and bottom constituted sound propagation environment of the neritic acoustic duct field.
海面与海底构成了声源浅海海域波导场的声传播环境。
The two-microphone method is investigated for the objective of in situ measuring the impedance of an acoustic liner in a duct.
对现场测量管道声衬声阻抗的双传声器法进行了研究。
The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.
并用声学传递矩阵方法建立了柴油机源特性，管内声场与管口辐射噪声的关系。
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