用正规文法和正规表达式描述了程序语言的单词符号的结构，用状态转换图构造了识别单词符号。
The paper describes symbolic structure of word of program language with regular grammar and regular expression, constructs converted-state chart to identify word symbol.
用正规文法和正规表达式描述了程序语言的单词符号的结构，用状态转换图构造了识别单词符号。
The paper describes symbolic structure of word of program language with regular grammar and regular expression, constructs converted-state chart to identify word symbol.
应用推荐