Zhongguancun Forum exhibition showcases newest tech
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2021-09-25 16:59
          
          
          
          
        


        
      
    
      
    
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   A visitor takes a photo of Beijing-Zhangjiakou high-speed railway models at the Zhongguancun Forum exhibition in Beijing, on Sept 25, 2021. [Photo by Zhu Xingxin/chinadaily.com.cn] 
 
     

     

        
    

        
        
      
    
        
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