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抽吸引理
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抽吸引理
Encyclopedia
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转换语法数学模型
释
pumping lemma
抽吸引理
抽吸引理是以色列逻辑学家和数学家Y.巴尔-希列尔于1961年证明的:如果L是有限状态语言,则必定存在着符号串x,y和z,使得对于n≥0,有y≠(空符号),并且。这意味着,如果一种语言是有限状态语言,则可以找到一个符号串y,这个y可以被语言L抽吸。又称巴尔-希列尔引理。
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district jurisdiction
district magistrate
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district planning
Districts of Republican Subordination
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district substation
districts under direct jurisdiction of routes and prefectures
disturbance
disturbance caused by alternating current electric traction collection
disturbance climax
disturbance control
disturbance decoupling
disturbance function
disturbance input
disturbance observers
disturbance of blood movement
disturbance of endocrine system in space
disturbance of fluid
disturbance of qi and blood
disturbance of qi movement
disturbance of sensory perception
disturbance rejection
disturbancy
disturbed
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