摘要: 1.已知文法: S->a|^|(T) T->T,S|S 分析句型(T,(^,a)),求全部的短语、直接短语和句柄。 S => (T) => (T,S) => (T,(T))=>(T,(T,S)) => (T,(T,a)) => (T,(S,a)) => (T,(^,a)) 短语:(T,(^,a)) 阅读全文
posted @ 2019-09-19 11:54 HvYan 阅读(293) 评论(0) 推荐(0)