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          Top 10 countries in natural science research in 2019
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2020-05-07 06:30
          
          
          
          
        


        
      
          
      
          
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          No 10 Australia
           

          Share: 1,259.95
           

           
  
 
          
   Police officers patrol near the Sydney Opera House following the implementation of stricter social-distancing and self-isolation rules to limit the spread of the coronavirus disease (COVID-19) in Sydney, Australia, April 6, 2020. [Photo/Agencies] 
 
           

           

          
        
          

        
        
      
          
        
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