Intelligent technologies aid high-speed railway operation
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2024-12-20 14:10
          
          
          
          
        


        
      
    
      
    
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   Staff members stand by the service desk at the waiting hall of the Beijing Qinghe Railway Station, on Dec 19, 2024. [Photo/Xinhua] 
 
     

     

        
    

        
        
      
    
        
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