64 請問右圖是下列何種聲學分析?5d25457f45eea.jpg
(A)波形圖(waveform)
(B)頻譜圖(spectrum)
(C)寬頻聲譜圖(wide-band spectrogram)
(D)窄頻聲譜圖(narrow-band spectrogram)

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統計: A(40), B(197), C(30), D(20), E(0) #2032129