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Highlights of 2018 皇冠体育app intl big data industry expo

( Xinhua )

Updated: 2018-05-27

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Highlights of 2018 皇冠体育app intl big data industry expo

Visitors view an intelligent traffic platform during the 2018 皇冠体育app international big data industry expo in Guiyang, Southwest 皇冠体育app's Guizhou province, May 26, 2018. [Photo/Xinhua]
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