京津冀城市群大气污染的时空特征与影响因素解析
刘海猛,方创琳,黄解军,朱向东,周艺,王振波,张蔷

The spatial-temporal characteristics and influencing factors of air pollution in Beijing-Tianjin-Hebei urban agglomeration
LIU Haimeng,FANG Chuanglin,Huang Jiejun,ZHU Xiangdong,ZHOU Yi,WANG Zhenbo,ZHANG Qiang
自然和人文解释变量的空间分布示意图
The spatial distribution diagram of natural and human factors