formal grammar

名词 n.
中文释义

英文释义

名词 n.
  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.

词形变化

formal grammars plural
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