中国城市空气质量的区域差异及归因分析
赵艳艳, 张晓平, 陈明星, 高珊珊, 李润奎

Regional variation of urban air quality in China and its dominant factors
ZHAO Yanyan, ZHANG Xiaoping, CHEN Mingxing, GAO Shanshan, LI Runkui
图7 城市空气污染主导因子归因分析结果示意图
Fig. 7 Diagrammatic sketch of core impact factors on urban ambient air pollutants