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
- saxitoxin
- saxitoxin (STX)
- Saxo Grammaticus
- Saxon Dynasty
- saxophone
- SAXS
- Sayano-Shushensk Hydropower Station
- Saya San Uprising
- Sayat Nova
- Sayed Darwish
- Sayed Kashua
- Saying Goodbye to Cambridge Again
- Saying Style
- Saynshand
- Sayram Hu
- Sayre's equation
- Saytzeff rule
- Sayyid Imtiyaz Ali Taj
- Saz
- Sa Zhenbing
- Sazonov
- Sazonov topology
- Saṃsāra
- Saṃyuktābhidharma-hṛdaya-śāstra
- Saṃyuktāgama