A.助聽(tīng)器驗(yàn)配軟件依據(jù)純音聽(tīng)閾計(jì)算出1kHz所需的目標(biāo)增益值
B.助聽(tīng)器驗(yàn)配軟件依據(jù)助聽(tīng)器驗(yàn)配公式計(jì)算出250-8000Hz所需的目標(biāo)增益值
C.助聽(tīng)器驗(yàn)配軟件依據(jù)純音聽(tīng)閾計(jì)算出250-6000Hz所需的目標(biāo)增益值
D.助聽(tīng)器驗(yàn)配軟件依據(jù)測(cè)聽(tīng)結(jié)果計(jì)算出250-4000Hz所需的目標(biāo)增益值
E.助聽(tīng)器驗(yàn)配軟件依據(jù)測(cè)聽(tīng)結(jié)果計(jì)算出所需的目標(biāo)增益值

A.對(duì)于深耳道式助聽(tīng)器棉障放置深度要達(dá)到第二彎曲以上2-3mm
B.材料填充順序從外耳道口依此為耳甲腔、三角窩、耳甲艇
C.注射材料混合時(shí)注意不要產(chǎn)生氣泡
D.首先用電耳鏡或額鏡檢查外耳
E.對(duì)于耳背式助聽(tīng)器棉障放置深度要達(dá)到第二彎曲