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上世纪六七十年代,欧洲一些国家机场附近的居民不断抱怨,飞机频繁起降的噪声给他们的生活和健康带来危害,促使有关部门组织了专门的调查。调
In the 1960s and 1970s, residents in airports in some European countries kept complaining that the frequent noise caused by the aircraft brought harm to their life and health, prompting relevant departments to organize a special investigation. Tune