70 下列那一種選配公式不是只根據聽力閾值計算而來?(A)NAL(National Acoustic Laboratories)(B)POGO(prescription of gain and out
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70 下列那一種選配公式不是只根據聽力閾值計算而來? (A)NAL(National Acoustic Laboratories) (B)POGO(prescription of gain and output) (C)IHAFF(independent hearing aid fitting forum) (D)FIG6