“probabilistic context-free grammars”的概念、定义、翻译、参考文献-科学参考

单词	probabilistic context-free grammars
释义	probabilistic context-free grammars Encyclopedia 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。
随便看	hierarchical game hierarchical intelligent control hierarchical linear model hierarchical management hierarchical merging hierarchical mobile IPv6 hierarchical mobile IPv6, HMIPv6 hierarchical model hierarchical modeling Hierarchical/multilevel optimization hierarchical nanostructure Hierarchical Network Model Hierarchical Network of Concept hierarchical notation hierarchical occlusion map algorithm hierarchical optimization for material design hierarchical order in the clan hierarchical planning hierarchical porous carbon materials hierarchical porous molecular sieve hierarchical principal-agent relationship in mega project hierarchical production planning hierarchical relationship of words hierarchical risk management of safety production hierarchical sampling method

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。