15 非線性助聽器連接上調頻系統於佩戴測試時,應選用下列何種測試訊號?
(A)純音(pure tone)
(B)類似語音頻譜(speech-like spectrum)
(C)滴答音(click)
(D)窄頻噪音(narrow band noise)
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統計: A(14), B(260), C(3), D(16), E(0) #1846620
統計: A(14), B(260), C(3), D(16), E(0) #1846620