Big data industry expo opens in Guiyang

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2019-05-27 10:43
          
          
          
          
        


        
      

      

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   A visitor tries out 5G-based augmented reality technology during the China International Big Data Industry Expo 2019 in Guiyang, Guizhou province, on May 25, 2019. [Photo/IC] 
 
 


        


        
        
      

        
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