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

单词	acoustic approximation
释义	acoustic approximation [ǝ`küs·tik ǝ´präk·sǝ`mā·shǝn] ^{FLUID MECHANICS} The approximation that leads from the nonlinear hydrodynamic equations of a gas to the linear wave equation for sound wave propagation.
随便看	sound transmission sound transmission coefficient sound velocity sound volume velocity sound wave sound-wave photography sour source source address source area source bed source code source data source data automation source data automation equipment source data capture source data entry source document source flow source-follower amplifier source function source impedance sourceland source language source level

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