“probabilistic context-free grammars”的概念、定义、翻译、参考文献-科学参考

单词	probabilistic context-free grammars
释义	probabilistic context-free grammars Encyclopedia 理学【基本概念】释 probabilistic context-free grammars; PCFG概率句法分析在上下文无关文法的基础上对每个规则加以概率限制，从而就可以求出一个句子的特定语法树的概率值的方法。又称概率上下文无关语法。
随便看	period matrix period-mean density relation period module period-n-tupling bifurcation period of a circulating decimal period of a class period of a continued fraction period of a decimal fraction period of a differential period of a function period of a group period of alternating current period of an element period of an ergodic class period of an oscillation period of a semigroup period of a wave period of coefficients period of dormancy period of intercalary month period of light variation period of limitation of administrative litigation period of military government period of moon's node Period of Political Instruction

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