Multi-scale analysis of the impacts of meteorology and emissions on PM2. 5 and O3 trends at various regions in China from 2013 to 2020 3. Mechanism assessment of O3 trends by a model - Pan, Weijun; Sunling Gong; Lu, Keding; Lei Zhang; Shaodong Xie; Yuhan Liu; Ke, Huabing; Zhang, Xiaoling; Yuanhang Zhang (Science of The Total Environment, 2023)