“sound level”的概念、定义、翻译、参考文献-科学参考

单词	sound level
释义	sound level [`sau̇nd ´lev·ǝl] ^ACOUSTICS The sound pressure level (in decibels) at a point in a sound field, averaged over the audible frequency range and over a time interval, with a frequency weighting and the time interval as specified by the American National Standards Association.
随便看	risk analysis risk management Risley prism system Riss Rissoacea Riss-Würm Ritchey-Chrétien optics Ritchie's experiment Ritchie wedge Ritter reaction Rittinger's law Ritz formula Ritz method Ritz's combination principle riveling river River and Harbor Aid to Navigation System river bar river basin riverbed riverboat river bottom river breathing river buoy river capture

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