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Big data use in daily life displayed at expo

      

      

        
          
          chinadaily.com.cn |
          Updated: 2021-05-28 13:19
        
        
          
          
          
          
        

      



      

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   A visitor, right, experiences the mixed reality holographic classroom at the China International Big Data Expo in Guiyang, Southwest China's Guizhou province, on May 27, 2021. [Photo/Xinhua] 
 
 

 

        
      


      
      

        
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