A.靜噪作用B.累加作用C.整合作用D.減低回響效應(yīng)
A.線性助聽(tīng)器B.模擬助聽(tīng)器C.雙模擬線路助聽(tīng)器D.WDRC線路助聽(tīng)器
A.CROSB.BICROSC.AGCID.WDRC