芒果视频下载

選配助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)時最好(hao)去醫院，對聽(ting)(ting)(ting)(ting)力(li)(li)做一次全面檢查(cha)，用電測聽(ting)(ting)(ting)(ting)等儀(yi)器(qi)(qi)(qi)(qi)準確地評價出(chu)耳聾的(de)(de)(de)程(cheng)度，再選助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)，如(ru)果當地沒有相(xiang)應條件的(de)(de)(de)醫院，聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)程(cheng)度與(yu)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)功(gong)(gong)率(lv)的(de)(de)(de)選配可(ke)按(an)口語試驗(yan)來估計。例如(ru)，聽(ting)(ting)(ting)(ting)不到(dao)耳語聲的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)30～40分(fen)(fen)貝，聽(ting)(ting)(ting)(ting)不到(dao)低小聲的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約40～50分(fen)(fen)貝，此時宜選購低功(gong)(gong)率(lv)及中功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)普通講話聲的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約50～60分(fen)(fen)貝，聽(ting)(ting)(ting)(ting)不到(dao)高(gao)聲講話的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)60～70分(fen)(fen)貝，可(ke)選配中功(gong)(gong)率(lv)及大功(gong)(gong)率(lv)型(xing)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)大聲喊(han)叫聲的(de)(de)(de)人(ren)(ren)，聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)70～80分(fen)(fen)貝，選用中、大功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)；全力(li)(li)喊(han)叫聲聽(ting)(ting)(ting)(ting)不到(dao)的(de)(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約約80～90分(fen)(fen)貝或更高(gao)，可(ke)選配大功(gong)(gong)率(lv)及特大功(gong)(gong)率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)(qi)。