13.在ANSI S3.22規範中,當以relative simulated equivalent telephone sensitivity(RSETS)比較助聽器聲學和感應線圈(telecoil)的敏感度時,下列測試結果何者較佳?
(A)-20 dB
(B)-15 dB
(C)-10 dB
(D)-5 dB
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統計: A(2), B(2), C(3), D(5), E(0) #3498741
統計: A(2), B(2), C(3), D(5), E(0) #3498741