Hearing examination and regular examinations of otorhinolaryngology should be considered as necessary examination items for flight persons in order to implement health care for them.
应把听力、耳鼻咽喉科常规检查作为飞行人员必要的检查项目，对其进行健康监护。
Methods a hygienic investigation of workplaces was carried out in oceangoing vessel, and the results of hearing examination in 1 663 noise exposed mariners were compared with controls.
方法对远洋测量船作业环境进行卫生学调查，对1 663名接触噪声人员的听力进行分析，并设对照组进行比较。
Methods a hygienic investigation of workplaces was carried out in oceangoing vessel, and the results of hearing examination in 1 663 noise exposed mariners were compared with controls.
方法对远洋测量船作业环境进行卫生学调查，对1 663名接触噪声人员的听力进行分析，并设对照组进行比较。
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