47 客觀的評估耳模通氣孔(vent)的效益,可透過下列何種方式測量?
(A)功能性增益(functional gain)
(B)實耳閉塞增益(real-ear occluded gain, REOG)
(C)耦合器增益(coupler gain)
(D)實耳置入增益(real-ear insertion gain, REIG)
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統計: A(0), B(25), C(0), D(6), E(0) #1176445
統計: A(0), B(25), C(0), D(6), E(0) #1176445