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620տʼij½ͨŻ֧ת36ԪijһһٶΥɳлıȡұһԪɫн70һǨҮ·פɫдʹݾпʽ˹̹Ⱥ鼤ɳشӼɫһʿʯϮ
37÷1981ڼɼĸǷǺᰮ˽ѧҵǰŵĸʢѧNorthwesternUniversityϷʹϵ˫ѧλѧҵפŵ˹˹ʹݹΪһԱƷСϰ塷ǰϣԺ÷ȹӴ3֪Ӱ֣TrevorEngelsonйһ2ĻŮͬҹڹ˰Ϊ25%ϿƺܸйǷչйǿȷչйҹڹ˰ǽϵ͵йҵЭ鳤ʾͷʵĹ˰߱ҹҵչˮƽ
ٿҵıǽھӼǽϵĶͨھӼĿǰŬؽ100ƷĿǰ永Աѱͼ