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          China concludes 15th Arctic Ocean scientific expedition
          
        
          
      
          
      
          
        
          By ZHAO LEI | 
          chinadaily.com.cn |
          Updated: 2025-09-26 21:11
          
          
          
          
        


        
      
          
      
          
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   A Conductivity, Temperature, and Depth (CTD) sensor is retrieved to China's research icebreaker 
  Xuelong 2, Sept 8, 2025. [Photo/Xinhua] 
 
           

           

          
        
          

        
        
      
          
        
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