Objective To study the dose response relationship between noise exposure and prevalence of noise induced hearing loss(NIHL)in man aircraft maintenance workers.
目的探讨男性飞机维修人员噪声暴露与噪声性听力损失（NIHL）患病率之间的剂量反应关系。
This new system unifies the evaluation of aircraft noise and other environment noise effectively, and adds a new evaluation index single-event noise exposure level.
飞机噪声的共性决定其评价体系应于环境噪声评价体系统一，而飞机噪声的个性决定其评价方法必须有别于一般环境噪声评价。
This new system unifies the evaluation of aircraft noise and other environment noise effectively, and adds a new evaluation index single-event noise exposure level.
飞机噪声的共性决定其评价体系应于环境噪声评价体系统一，而飞机噪声的个性决定其评价方法必须有别于一般环境噪声评价。
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