Data structures are reusable because they tend to be modular and context - free.
因為數(shù)據(jù)結構趨向于模塊化并和環(huán)境無關,所以數(shù)據(jù)結構是可以復用的.
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Proposes the context - free grammar model for GEP.
對基因表達式編程建立了上下文無關文法模型.
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There is a very close relation between fuzzy pushdown automata and fuzzy context - free grammars.
:Fuzzy下推自動機與Fuzzy上下文無關文法有緊密的關系.
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Proves that the presentation power of GEP and the context - free grammar with one none - terminal are equivalent.
指出基因表達式編程和僅含有單個非終結符的上下文無關文法在描述能力上是等價的.
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Common phrase structure grammar ( chomsky hierarchy ), which is the most commonly used context - free grammar ( CFG ).
一般用文法grammar) 來刻畫.常見的是短語結構文法 ( chomskyhierarchy ), 其中最常用的是上下文無關文法 ( CFG ).
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Meanwhile a method to construct a normalized form for a lattice - valued context - free tree grammar is presented.
同時給出了構造正規(guī)形式的等價文法的方法.
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