“rayl”的英文意思_释义_用法

单词

rayl

释义

rayl Acoustics.|reɪl|
[f. Rayleigh.]
A unit of specific acoustic impedance equal to one dyne-second/cm.³ (in the C.G.S. system) or one newton-second/m.³ (in the S.I.).
1954L. L. Beranek Acoustics i. 11 The specific acoustic impedance is the complex ratio of the effective sound pressure at a point of an acoustic medium or mechanical device to the effective particle velocity at that point. The unit is newton-sec/m³, or the mks rayl. (In the cgs system the unit is dyne-sec/cm³, or the rayl.)1971W. W. Seto Schaum's Outl. Theory & Probl. Acoustics ii. 40 At standard atmospheric pressure and 20°C..the characteristic impedance of air is..415 rayls.

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