论文部分内容阅读
通常所用的0．l～skHZ频域的纯音测听仪有诊断局限性。Cara。。。。。等制作的可测0．125～20kHz骨导和气导纳音听阈的宽频域听力计，有利于职业性（噪声性）难听的早期发现和及时预防。作者用普通听力计及宽频域听力计对IOO名内燃机车司机进a回回回检测，受检者中30～35岁20人
Commonly used 0. l ~ skHZ frequency domain pure tone audiometer has diagnostic limitations. Cara. . . . . Such as the production of 0.125 ~ 20kHz bone conduction and air admittance audible threshold broadband audiometer, is conducive to occupational (noise) unpleasant early detection and timely prevention. The author with a common audiometer and wide-band audiometer IOO diesel locomotive driver into a back to the test, the subjects 30 to 35 years old 20