Cutting-edge technologies will change lives

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2019-09-26 16:57
          
          
          
          
        


        
      

      

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   Smart guitars are on display at the Apsara Conference in Hangzhou, East China's Zhejiang province, on Sept 24, 2019. [Photo/VCG] 
 
 

 

        


        
        
      

        
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