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    This week, everyone gets a chance to say '520' to science
    
      
    
      
    
        
          By Zhang Zhihao | 
          China Daily |
          Updated: 2017-05-22 07:42
        
        
          
          
          
          
        

      
    


      
    
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    Children experience newest technologies at the Cultural Palace of Nationalities in Beijing on Saturday as the 17th National Science Week began.[Photo provided to China Daily]
    		 
  
     
      

     

        
      
    

      
      
    
        
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