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我们以探讨在不同环境噪声下对中学生听力影响及早期损害的特点为目的,于1983年10月在洛阳市两所中学对474名学生进行了听力及环境噪声测定。发现噪声组学生听力损失(15.29%)比对照组(5.82%)明显增高。现将调查方法及结果报告如下:
In order to explore the characteristics of hearing impairment and early damage to middle school students under different environmental noises, we conducted a survey on 474 students in two secondary schools in Luoyang in October 1983 to determine hearing and environmental noise. Hearing loss (15.29%) in noise group was significantly higher than that in control group (5.82%). Now the investigation methods and results are reported as follows: