“loudness level”的概念、定义、翻译、参考文献-科学参考

单词	loudness level
释义	loudness level [`lau̇d·nǝs ´lev·ǝl] ^ACOUSTICS The level of a sound, in phons, equal to the sound pressure level in decibels, relative to 0.0002 microbar, of a pure 1000- hertz tone that is judged to be equally loud by listeners.
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