英语词汇“diapason normal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	diapason normal
释义	diapason normal noun Etymology: French, literally, normal diapason : the standard pitch adopted by the French government in 1859 establishing A above middle C as 435 vibrations per second — called also French pitch, international pitch, low pitch
随便看	fah faham fahlband fahlerz fahlore fahlunite fahr fahrenheit faiblesse faience faience faience faience d'Oiron faience d'oiron faik fail fail failance failed failing failingly faille fail place fails fail-safe

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