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研究小组以文学作品和历史文献为参考资料梳理出了19世纪末—20世纪60年代重庆主城区雾霾的大致变化规律。综合工业结构升级、重庆大轰炸、人口内迁等因素分析了第一个雾霾频繁期出现的原因及各个时期雾霾演化的影响因素。并针对重庆雾霾演化历程对灰霾防治提出建议。
The research team used literary works and historical documents as reference materials to sort out the general changes of haze in the main city of Chongqing from the late 19th century to the 1960s. The causes of frequent occurrence of the first haze and the influencing factors of the haze evolution in each period were analyzed according to factors such as upgrading of industrial structure, Chongqing bombing and population migration. The suggestions of haze prevention and control are given according to the evolution of smog in Chongqing.