Gleaning real world experience in the villages

        

      

      

        
          By Cao Chen | 
          chinadaily.com.cn |
          Updated: 2022-06-01 17:26
          
          
          
          
        


        
      

      

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   Zhang Shengwei (right)conducts nucleic acid sampling in the village. [Photo provided to chinadaily.com.cn] 
 
 

 

        


        
        
      

        
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