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A visitor experiences an eye detector at the Medical Equipment and Healthcare Products exhibition area during the second China International Import Expo (CIIE) in Shanghai, east China, Nov. 7, 2019. (Xinhua/Wang Peng)
A visitor experiences an eye detector at the Medical Equipment and Healthcare Products exhibition area during the second China International Import Expo (CIIE) in Shanghai, east China, Nov. 7, 2019. (Xinhua/Wang Peng)