Expo puts latest tech in spotlight

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2019-08-28 13:51
          
          
          
          
        


        
      

      

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   Visitors interact with a robot guide at the 2019 Smart China Expo on Aug 27, 2019. [Photo/VCG] 
 
 

 

        


        
        
      

        
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