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          Unmanned boats conduct geological survey in Hainan
          

          


          China Daily/Xinhua    |     2017-10-24 07:22
    



 


          


          

          


          




          

          

          


          
Unmanned boats conduct geological survey in Hainan

          


          


          A ship carries two unmanned boats－Jinghai 3 and Jinghaihong－to survey the marine geological conditions in the Dongmaozhou Island off Sanya, Hainan province, on Oct 23, 2017. [Photo/Xinhua]
          
          		

          
          

          


          

          


          

          

          




          

          

          




          



          


          

          


          

          


          

          



          


          

          


          

          

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