“characteristic acoustic impedance”的概念、定义、翻译、参考文献-科学参考

单词	characteristic acoustic impedance
释义	characteristic acoustic impedance [´kar·ik·tǝ`ris·tik ǝ`kü·stik im`pēd·ǝns] ^ACOUSTICS The product of the density and the speed of sound in a medium; it is analogous to the characteristic impedance of an infinitely long transmission line. Also known as intrinsic impedance.
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