TY - Acta Geographica Sinica A1 - LIU Haimeng,FANG Chuanglin,Huang Jiejun,ZHU Xiangdong,ZHOU Yi,WANG Zhenbo,ZHANG Qiang T1 - The spatial-temporal characteristics and influencing factors of air pollution in Beijing-Tianjin-Hebei urban agglomeration Y1 - 2018-01-31 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 177 EP - 191 VL - 73 IS - 1 UR - {https://www.geog.com.cn/EN/10.11821/dlxb201801015} N1 - 10.11821/dlxb201801015 ER -