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。
人工智能 计算语言学 释文 probabilistic context free grammar, PCFG 概率上下文无关文法
- inverse semigroup element
- inverse sentence
- inverse series
- inverse similarity
- inverse similitude
- inverse sine
- inverse sine function
- inverse solution of geodetic problem
- inverse spectral method
- inverse spectral-transformation
- inverse spectrum
- inverse spin Hall effect
- inverse square law
- inverse stability theorem
- inverse Stark effect
- inverse Stefan problem
- inverse Sturm-Liouville problem
- inverse subsemigroup
- inverse sum of sets
- inverse suspension polymerization
- inverse symmetric tensor
- inverse synchrotron absorption
- inverse system
- inverse systems
- inverse tangent