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Mei Hong, an academician of the Chinese Academy of Sciences, addresses the opening ceremony of the 2018 China International Big Data Industry Expo in Guiyang, southwest China's Guizhou Province, May 26, 2018. (Xinhua/Ou Dongqu)
Mei Hong, an academician of the Chinese Academy of Sciences, addresses the opening ceremony of the 2018 China International Big Data Industry Expo in Guiyang, southwest China's Guizhou Province, May 26, 2018. (Xinhua/Ou Dongqu)