supra-acoustic 中文意思是什麼
supra-acoustic
解釋
超聲頻率-
Electroacoustics - simulators of human head and ear - acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.用於測聽計的超級聽力耳機校正用聽力耦合器 -
Electroacoustics - simulators of human head and ear - part 3 : acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.第3部分:用於聽力測定計的超聽力耳機校正用聲耦合器
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