context free grammar造句

例句与造句

1. We combine syntactic parsing and semantic analysis , use the extended context free grammar to analyze chinese . each syntactic production has a precondition judge function
   汉语的分析采用扩展的上下文无关文法，每一条句法产国防科学技术大学研究生院学位论文生式都对应一个前提判断函数。
2. It's difficult to find context free grammar in a sentence. 用context free grammar造句挺难的