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机译:Comparison of vehicle activity between Beijing and Shanghai
Tsing Hua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China;
Int Sustainable Syst Res Ctr, Diamond Bar, CA USA;
Shanghai Acad Environm Sci, Shanghai, Peoples R ChinaUniv Chile, Dept Mech Engn, Santiago, ChileBeijing Technol & Business Univ, Beijing, Peoples R China;