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Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）
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Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）A对B错
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判断题Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）A
对B
错
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