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单词 phon
释义 phon AHD[fŏn] D.J.[fɒn]K.K.[fɑn]n.(名词)
  1. A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.方(响度级的单位):一种表现声音的单位,在数量的上等于把1000赫兹声音作测星音时的分贝强度
Etymology语源
    1. German 德语
    1. from Greek phōnē [sound] * see phone 1源自 希腊语 phōnē [声音] * 参见 phone1
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