阻抗听力计，阻坑测听仪

characteristic impedance

impedance crystal

impedance【电】[专业]指一种被压抑的意念从潜意识进入意识的力量\nresistance【心理】

impedance audiometry

single-ended input impedance【电】

matching impedance

locked-rotor impedance of exciting winding【电】

diagnostic impedance audiometer