A top-down parser will go into an infinite loop when this happens.
一个自顶向下分析器在这种情况下将陷入无限循环中。
Even beyond top-down and shift-reduce parser, NLTK also offers "chart parsers" that create partial hypotheses that a given sequence can be continued to fulfill a rule.
甚至，除了top - down和shift - reduce解析器以外，NLTK还提供了“chart解析器”，它可以创建部分假定，这样一个给定的序列就可以继而完成一个规则。
Even beyond top-down and shift-reduce parser, NLTK also offers "chart parsers" that create partial hypotheses that a given sequence can be continued to fulfill a rule.
甚至，除了top - down和shift - reduce解析器以外，NLTK还提供了“chart解析器”，它可以创建部分假定，这样一个给定的序列就可以继而完成一个规则。
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