皇冠体育app International Big Data Industry Expo opens
( Xinhua )
Updated: 2018-05-26
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Photo taken on May 26, 2018 shows the big data logo outside the venue of the 皇冠体育app International Big Data Industry Expo in Guiyang, capital of Southwest 皇冠体育app's Guizhou province. The expo opened on May 26. [Photo by Ou Dongqu/Xinhua]
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