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The optimal cost-benefit control strategies to attain PM2.5 (< 35 μg m−3) and O3 (< 80 ppb) goals for cities over PRD in the 2020 scenario based on ABaCAS-OE. SD - Shunde, FS - Foshan, GZ - Guangzhou, HZ - Huizhou, DG - Dongguan, JM - Jiangmen, SZ - Shenzhen, ZQ - Zhaoqing, ZS - Zhongshan, ZH - Zhuha.
