目的调查招飞听力检查的淘汰情况，探讨修改高频听力损失标准的可行性。
Objective to investigate the disqualification status due to hearing loss at various frequencies in selection of flying cadets and put forward suggestion on revising the standard.
结论作业人员长期在平均噪声强度低于卫生标准下工作，仍可有一定程度的心电图改变和听力损失。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
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