威廉和凯特在切尔腾汉姆赛马节的开幕式上。
Switching sports, William and Kate are seen in the paddock enclosure on the first day of the Cheltenham Race Festival in 2007.
泽尔腾的研究让经济学家减少了可能的纳什均衡的数量。
Mr Selten's work let economists whittle down the number of possible Nash equilibria.
泽尔腾是一个精炼纳什均衡概念用以分析动态策略互动行为的。
Reinhard Selten was the first to refine the Nash equilibrium concept for analyzing dynamic strategic interaction.
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