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20080607 05:14 ԴЇW
l(f)uՓ

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f(xi)̴F쌢ڱչ@ݸ߶ȱܵļѱߌӺϤӱ΅f(xi)̵ĴՓǹنTgI(y)Ժxϯ
оw߀дꑷ__ϢQ˽ͺؕL߿ؕLͬꑡ
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6գьǰ_CܼݕhFV{Ҋ⣬Lʂ
֪ʿ¶RӢʒfLڴFl(f)ǰϦHԽҊҲ@ɕՄҕ
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