...；kirchhoff近似；表面声阻抗 [gap=759]keywords：underwater acoustics; kirchhoff approximation; surface acoustic impedance ...
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表面声阻抗率 surface specific acoustic impedance
Designs and produces a device to measure structure surface acoustic impedance, and calibrates the device to make sure its performance through experiment.
设计制作一种能够测定结构表面声阻抗的实验装置,并对其进行了必要的标定和检验。
参考来源 - 安静结构设计方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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