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
- circular polygon
- circular polymerase extension cloning，CPEC
- circular probable error miss distance
- circular queue
- circular reciprocation
- circular recombination PCR，CRP
- circular repolarization
- circular restricted three-body problem
- circular ring
- circular RNA
- circular run-out measurement
- Circular Scale
- circular section
- circular sector
- circular segment
- circular shaft
- circular slide rule
- circular slit domain
- circular solution
- circular-sweep phase shifter
- circular symmetric game
- circular symmetrization
- circular symmetry
- circular telegram
- circular torus