芒果视频下载

選(xuan)配助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)時最好去醫(yi)院，對聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)做一次(ci)全(quan)面檢查，用電測聽(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確(que)地評價出耳聾的(de)(de)程度(du)，再(zai)選(xuan)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)，如果當地沒有相應條件的(de)(de)醫(yi)院，聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)程度(du)與助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)功率(lv)(lv)的(de)(de)選(xuan)配可(ke)按口語(yu)試驗來估計。例如，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)耳語(yu)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)30～40分(fen)貝(bei)，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)約40～50分(fen)貝(bei)，此時宜選(xuan)購低功率(lv)(lv)及(ji)中(zhong)功率(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)普通講話(hua)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)約50～60分(fen)貝(bei)，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)高聲(sheng)講話(hua)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)60～70分(fen)貝(bei)，可(ke)選(xuan)配中(zhong)功率(lv)(lv)及(ji)大功率(lv)(lv)型助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)大聲(sheng)喊叫(jiao)聲(sheng)的(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)70～80分(fen)貝(bei)，選(xuan)用中(zhong)、大功率(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；全(quan)力(li)(li)(li)(li)(li)喊叫(jiao)聲(sheng)聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到(dao)(dao)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)(li)損(sun)失(shi)(shi)(shi)(shi)約約80～90分(fen)貝(bei)或更高，可(ke)選(xuan)配大功率(lv)(lv)及(ji)特大功率(lv)(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)。