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PDA的多重面相:从科技设备到社会现象的解读
在计算机科学中,下推自动机是一种理论模型,主要用于处理上下文无关语言,常见于编译器设计和形式语言理论研究。它是图灵机的变种,具有额外的存储空间,称为堆栈。在计算机科学领域,下推自动机对于理解和设计有效的编程语言编译器具有重要的作用。
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Whooping cough cases rise
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‘Crimea will stay w/ Russia’
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