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Highlights of 2018 China intl big data industry expo

( Xinhua )

Updated: 2018-05-27

Highlights of 2018 China intl big data industry expo

Visitors view a city internet safety operation center during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. [Photo/Xinhua]

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