A.500,1K,2K,4K,8K,復測500,在測250 B.500,1K,2K,4K,8K,250 C.1K,2K,4K,8K,復測1K,在測500,250 D.1K,2K,4K,8K,500,250
A.更傾斜 B.更平直 C.角度差不多 D.以上都是
A.雙側氣導之差大于等于40dB B.同側氣骨導之差大于等于40dB C.雙側氣骨導之差大于等于40dB D.測試耳氣導與非測試耳骨導之差大于等于40dB