“概率上下文无关语法”的概念、定义、翻译、参考文献-科学参考

单词	概率上下文无关语法
释义	概率上下文无关语法 Encyclopedia 文学概率下文无关语法释 probabilistic context-free grammar概率上下文无关语法在识别句子时，给合法的句子以较大概率，给不合法的句子以较小概率的方法。由A.D.布斯（A.D.Booth，美国）于1969年最早提出。简称PCFG。又称随机上下文无关语法（stochastic context-free grammar，简称SCFG）。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。