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ʱݻ

Barabási˹ںĶ̬ݻʵо[67]Уѡѧ񾭿ѧоΪо Ϊʱ䵥λ˶㣨оߣʱݻʱݻȻ˶ȷֲʱݻȶԼƽֵʱ ı仯ͳ˲ͬʱƽ̾ƽ۳̶ȣݻߡŵԴСҲʱݻ Ϊķͼ (4 - a)ʾΪÿһ¼оʱ仯ߣͼ (4 - b)Ϊÿһ귢ʱ ߡ


Fig 4: ѧʱı仯 (a)ѧ񾭿ѧͼΪÿһ·£ (b)оߵͼΪÿһӵоߡͼȡ[67]

˶ʱݻ⣬ضѧ̵ݻҲӦǸоҪɲ֡Щ籾ݻ صĶѧ̣֮ӴϵĴȾϵ۵ĴεĽݻ һ̨ϷģͬʱҲһ̶ϸı硣ʱݻʵо۶籾Ƕѧģ͵оǺкô ġĿǰоǶSARSĴһδ۸߰ȴdzɹоᡣ⣬ǽڿѧ۵ ˼ĴҲоԿǿѧ˼߻ƫߡ


wwwwjs 2004-01-04