nested stack automata造句

Nested stack automata should not be confused with embedded pushdown automata, which have less computational power.
A nested stack automaton is capable of recognizing an indexed language, and in fact the class of indexed languages is exactly the class of languages accepted by one-way nondeterministic nested stack automata.
It's difficult to find nested stack automata in a sentence. 用nested stack automata造句挺难的