佩雷尔曼的定理远远超过证明这些“不存在”的断言，正如怀尔斯证明的定理所告诉你的东西要多于一类方程不存在整数解这个结论。
Perelman's theorem goes far beyond proving this "non-existence" claim, just as Wiles' theorem tells you much more than non-existence of integer solutions of certain equations.
宾夕法尼亚佩雷尔曼医学院睡眠和时间生物学主任大卫·丁格斯说，起得很早的人和长时间的夜猫子很难突然改变。
Very early risers and longtime night owls have a hard time ever changing, says David F. Dinges, chief of sleep and chronobiology at the University of Pennsylvania's Perelman School of Medicine.
曼努埃尔·佩雷斯·奎诺恩斯是弗吉尼亚理工大学计算机科学教授。
Manuel Perez-Quinones is a computer science professor at Virginia Tech.
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