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
- luminescence center
- luminescence centre
- luminescence decay time
- luminescence efficiency
- luminescence induced by high energy particles
- luminescence induced by high-energy particles
- luminescence of solids
- luminescence quenching
- luminescent carbon nanodot
- luminescent center
- luminescent crystal
- luminescent diode
- luminescent doped materials
- luminescent dye
- luminescent gold cluster
- luminescent host materials
- luminescent material
- luminescent materials
- luminescent polymer
- luminescent transparent ceramics and glass
- Lu Ming
- Luming Banquet
- Lumingporphyry molybdenum deposit
- Lu Mingshan
- luminiferous ether