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Intelligence science & technology exhibition held in Tianjin

Updated: May 18,2018 8:53 AM     Xinhua

People look at an underwater robot during an intelligence science and technology exhibition in North China’s Tianjin, May 17, 2018.[Photo/Xinhua]

People look at a vehicle of JD Logistics during an intelligence science and technology exhibition in North China’s Tianjin, May 17, 2018.[Photo/Xinhua]

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