A unit used in the measurement of perceived loudness, defined as the loudness of a tone with a frequency of 1000 Hertz presented 40 decibels above…
| 单词 | θ76796 |
| 释义 | the world > matter > physics > science of sound > [noun] > unit of sound > subjective unit (1) sone1936 A unit used in the measurement of perceived loudness, defined as the loudness of a tone with a frequency of 1000 Hertz presented 40 decibels above… |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。