... 衍射声时技能time-of-flight diffraction technique 声阻抗acoustical impedance 电磁声换能器electro-magnetic transducer ...
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respiratory acoustical impedance 呼吸声阻抗
acoustical impedance matching 声阻抗匹配
acoustical impedance method 声阻法
specific acoustical impedance [声] 比声阻抗
acoustical characteristic impedance 特性声阻抗
impedance acoustical charasteristic 特性声阻抗
acoustical measurement through impedance tube 管道声学测量
The exact formulae of the acoustical impedance of a narrow slit and its low-frequency approximation are available.
窄缝的声阻抗严格公式以及低频近似公式都存在。
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