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                      [1] Yang F,He K,Ye B,et al. One-year record of organic and elemental carbon in fine particles in downtown Beijing and Shanghai[J].Atmospheric Chemistry Physics,2005,5:1449-1457.[2] World Health Organization.Health effects of black carbon[R].Copenhagen:WHO    （共 22001 字）      [閱讀本文] >> 
              

				 
              
				 
				
				
              
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