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。

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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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"On one hand, these results are in agreement with our findings from the West London School Study where aircraft noise exposure around Heathrow airport was weakly associated with mental health problems, " she said.

BBC: Traffic noise 'harms' child health