我国城市空气污染指数的空间溢出性研究 作者：和占琼 著 出版时间：2014年版内容简介　　Urban air quality has become a big concern in China. To monitor and improve the urban air quality, Chinese government has begun to make many efforts. Inter-regional cooperation to cut and improve air quality has been required. The objective of this thesis is to study the volatil- ...