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          National science week: VR, robots and puzzles
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2020-08-27 13:23
          
          
          
          
        


        
      
          
      
          
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   A visitor uses a virtual reality device during the National Science and Technology Week in Nanjing, Jiangsu province. [Photo/Sipa] 
 
           

           

          
        
          

        
        
      
          
        
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