The reason that the typical comprehension is the one of semantic fuzziness is that under common conditions,the speaker knows the questioners tend to comprehend the temporal words and phrases fuzzily,so the questioner often substitute the time of prototype for the time of non-prototype,which makes nominally temporal words and phrases to represent some characteristics of fuzziness.

According to the characteristic of natural language understanding in discourse understanding on the given domain,based on the knowledge and connotation,discuss and analyze realization method and difficult point for time noun understanding deeply,the purpose is fever to the whole discourse understanding.

On the foundations of modern Chinese corpus processing principles and certain type time word segmentation ambiguity,this paper proposes a statistical language model and corresponding approach based on maximum likelihood to solve the ambiguous problem,and it reaches a 90% accuracy which shows the eff.

This dissertation focuses on the coexistence of time words in the former clause and the latter clause of the complex sentence.

The book of study of time words in Zutangji contributes to further understanding of time words in modern times.

In this works, time words are more abundant and more representational.

The interpretation of nominal tautology can be based on some concepts and theories in psychology and cognition,of which the most important are metonymic mapping,categorization and space mappings.