A.聽神經(jīng) B.面神經(jīng) C.舌咽神經(jīng) D.舌下神經(jīng) E.三叉神經(jīng)
A.0.1% B.0.3% C.1% D.5% E.10%
A.痛閾 B.聲強級 C.響度 D.感覺閾 E.聽閾