formal grammar

短语

[计] 形式文法

词形变化

formal grammars 复数 formal grammars

释义与例句

n.
  1. 1.

    A precise mathematical description of a formal language, consisting of terminal symbols, nonterminal symbols, a nonterminal symbol serving as start symbol, and a set of production rules that control the expansion of nonterminal symbols into strings consisting of both terminal and nonterminal symbols.

    计算机 工程 数学