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Double frequency wave distortion has been found in the experiment.
实验上观察到了倍频失真。
youdao
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Thee frequency, wave length, and speed of sound are closely related.
声音的频率、波长和速度三者是密切相关的。
youdao
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Thee frequency, wave length, and speed of sound are closely related.
声音的频率、波长和速度三者是密切相关的。
youdao