English中文
quartz metronome /ˈpɹuːnɪŋ and ˈkʌtɪŋ ˈtuːlz/ n

中文：石英节拍器

中文 · 石英节拍器
Meaning：Metronome that translates the electric signal produced by a piece of quartz into sound or visual signals.
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Quartz Metronome

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