英语词汇“phonic wheel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	phonic wheel
释义	Definition of phonic wheel in English: phonic wheel noun A toothed disc or rotor of magnetic material which is caused to rotate at a constant speed by an electromagnet energized by alternating or interrupted direct current (originally derived from a tuning fork vibrating against a contact and sustained by another electromagnet). Origin Late 19th century; earliest use found in Telegraphic Journal. After French roue phonique. Definition of phonic wheel in US English: phonic wheel noun A toothed disc or rotor of magnetic material which is caused to rotate at a constant speed by an electromagnet energized by alternating or interrupted direct current (originally derived from a tuning fork vibrating against a contact and sustained by another electromagnet). Origin Late 19th century; earliest use found in Telegraphic Journal. After French roue phonique.
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更新时间：2025/1/31 11:02:42