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          Unmanned submersible 'Hailong 11000' completes 1st sea test
          
        
          
      
          
      
          
        
          
          Xinhua |
          Updated: 2018-03-31 11:21
          
          
          
          
        


        
      
          
      
          
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   Photo taken on March 30, 2018 shows researchers examining the unmanned submersible "Hailong 11000" on the Chinese research vessel Dayang Yihao (Ocean No 1) in the western Pacific Ocean. [Photo/Xinhua] 
 
           

           

          
        
          

        
        
      
          
        
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