Intelligent technologies aid high-speed railway operation

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2024-12-20 14:10
          
          
          
          
        


        
      

      

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   People are seen at the waiting hall of the Beijing Qinghe Railway Station, on Dec 19, 2024. [Photo/Xinhua] 
 
 


        


        
        
      

        
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