研究结果表明，成都市城区大气气溶胶污染严重，特别是冬季超标率很高。
The research of the dissertation expresses that the pollution of atmospheric aerosol in the area of Chengdu city is very serious, and the pollution indexes are higher especially in the winter.
方法采用整群随机抽样方法抽取成都市五城区0 ~ 6岁独生子女1,453名，男765名，女688名。
Methods 1 453 singletons 0 ~ 6 yr children were took out from the five city districts in Chengdu by clustering sampling (boys 765, girls 688 respectively).
成都市中心城区作息制可调节空间较大，可以利用错峰均衡使用交通资源，降低交通高峰期拥堵现象。
Work and rest in the Center of Chengdu has large space to be regulated that traffic resource can be using proportionally by Staggered Shifts to reduce jam phenomenon in traffic peak.
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