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
- Lorentz-Lorenz formula
- Lorentz manifold
- Lorentz matrix
- Lorentz metric
- Lorentz microscopy
- lorentz model
- Lorentz National Park
- Lorentz space
- Lorentz structure
- Lorentz symmetry
- Lorentz symmetry and its violation
- Lorentz tensor
- Lorentz transformation
- Lorentz transformation in hyperbolic form
- Lorentz unit
- Lorentz-Weisskopf broadening
- Lorenz
- Lorenz asymmetry coefficient
- Lorenz attractor
- Lorenz chaotic attractor
- Lorenz constant
- Lorenz constant, Lorenz number
- Lorenz curve
- Lorenz equation
- Lorenz equations