例句與造句

1. In particular, the authors proved that the family of context-free languages does indeed have this property.
2. Furthermore, it is undecidable whether a given context-free language is a linear context-free language.
3. Furthermore, it is undecidable whether a given context-free language is a linear context-free language.
4. The best known algorithm to test membership in any context-free language is LR ( k ) parser.
5. Ginsburg was the first to observe the connection between context-free languages and " ALGOL-like " languages.
6. It's difficult to find context - free language in a sentence. 用context - free language造句挺難的
7. Deterministic context-free languages is a subset of context-free languages that can be recognized in linear time.
8. Deterministic context-free languages is a subset of context-free languages that can be recognized in linear time.
9. This set is context-free, since the union of two context-free languages is always context-free.
10. He studied context-free grammars and published a well-known comprehensive overview of context-free languages in 1966.
11. To prove that a given language is not context-free, one may employ the pumping lemma for context-free languages
12. In practice, there are many languages that can be described by rules, such as regular languages or context-free languages.
13. Formally, the set of all context-free languages is identical to the set of languages accepted by pushdown automata ( PDA ).
14. Within the Chomsky hierarchy, the regular languages, the context-free languages, and the recursively enumerable languages are all full AFLs.
15. Since nondeterministic context-free languages cannot be accepted in linear time, linear languages cannot be accepted in linear time in the general case.
16. Practical uses of context-free languages require also to produce a derivation tree that exhibits the structure that the grammar associates with the given string.
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