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单词 Nonterminal symbol
释义

Nonterminal symbol

中文百科

终结符与非终结符 Terminal and nonterminal symbols

(重定向自Nonterminal symbol)

终结符非终结符在计算机科学和语言学的领域是用来指定推导规则的元素。在某个形式语法之中,终结符和非终结符是两个不交的集合。

英语百科

Terminal and nonterminal symbols 终结符与非终结符

(重定向自Nonterminal symbol)

In computer science, terminal and nonterminal symbols are the lexical elements used in specifying the production rules constituting a formal grammar. Terminal symbols are the elementary symbols of the language defined by a formal grammar. Nonterminal symbols (or syntactic variables) are replaced by groups of terminal symbols according to the production rules.

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