20 記錄聽性腦幹反應,透過增幅器通常需放大多少倍以供判讀?
(A)一千倍
(B)一萬倍
(C)十萬倍
(D)一百萬倍
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統計: A(29), B(35), C(183), D(26), E(0) #2977629
統計: A(29), B(35), C(183), D(26), E(0) #2977629