文法 G[S] 及其语法制导翻译定义如下: 产生式 语义动作 S'→ S print( S.num) S → ( L ) S.num = L.num +1 S → a S.num = 0 L →L , S L.num = L(1).num + S.num 注意:这里的 L(1) 是指右部中的符号 L L →S L.num = S.num 若输入为 ( a, ( a ) ) 且采用自底向上的分析方法,则输出为( )。
【简答题】Read the paragraphs below. Then carefully consider the questions that follow, and, choose the letters of the best responses. 1 According to memory experts, there are ways you can improve your chances ...
【简答题】Read the paragraphs below. Then carefully consider the questions that follow, and, choose the letters of the best responses. B. 1According to memory experts, there are ways you can improve your chance...
【简答题】Summary. Listen carefully and supply the missing information to complete the summary. ONE word only. China has a number of its own mature shopping 1______. If expats want to shop online in China, they...