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2021 Big Data Expo kicks off in Guiyang

      

      

        
          By Yang Min | 
          chinadaily.com.cn |
          Updated: 2021-05-26 13:16
        
        
          
          
          
          
        

      



      

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   The opening ceremony for the 2021 China International Big Data Industry Expo is held in Guiyang. [Photo/chinadaily.com.cn] 
 
 

 

        
      


      
      

        
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