- actual nonterminal name
- n.实际非终结符名
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Context-free grammar — In formal language theory, a context free grammar (CFG) is a formal grammar in which every production rule is of the form V → w where V is a single nonterminal symbol, and w is a string of terminals and/or nonterminals (w can be empty). The… … Wikipedia
automata theory — Body of physical and logical principles underlying the operation of any electromechanical device (an automaton) that converts information input in one form into another, or into some action, according to an algorithm. Norbert Wiener and Alan M.… … Universalium
Backus-Naur form — Saltar a navegación, búsqueda El Backus Naur form (BNF) (también conocido como Backus Naur formalism, Backus normal form o Panini Backus Form) es una metasintaxis usada para expresar gramáticas libres de contexto: es decir, una manera formal de… … Wikipedia Español