世界卫生组织(WHO)调查显示,近20年来,与大气污染、水污染并称为城市环境三大公害的噪声污染已经成为影响人们身心健康和生活质量的严重问题。据统计,美国有1亿人受到噪声的侵扰;英国伦敦、利物浦等大城市有3/4居民受到噪声的严重影响;即使比较安静的瑞典斯德哥尔摩,也有70%市民受到噪声干扰;我国46个重 According to the World Health Organization (WHO) survey, the noise pollution associated with air pollution and water pollution, the three major public hazards of urban environment, has become a serious problem that affects people’s physical and mental health and quality of life in the past 20 years. According to statistics, 100 million people in the United States have been disturbed by noise; 3/4 residents in major cities such as London and Liverpool have been seriously affected by noise; 70% of the people in quieter Stockholm, Sweden have been affected by noise; 46 of China’s heavy