21 使用同一個輸入音,耳道內量測到的音壓值與耦合器(coupler)內量測到的音壓值之差異稱為什麼?
(A)real-ear insertion gain(REIG)
(B)real-ear unaided gain(REUG)
(C)real-ear aided response(REAR)
(D)real-ear to coupler difference(RECD)

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統計: A(3), B(3), C(1), D(138), E(0) #1030068