High-tech helps fight coronavirus

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2020-02-06 13:20
          
          
          
          
        


        
      

      

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   A drone prepares to take off in Qingdao, East China's Shandong province, Feb 5, 2020. [Photo/Xinhua] 
 
 

 

        


        
        
      

        
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