This research disserts automatic unlisted terms extraction in the field of Information Technology based on the large-scale DCC (Dynamic Circulation Corpus), under the theory of Dynamic Updating of Language and Knowledge.

Study on Decision Making and Knowledge Updating Mechanism in Dynamic Scheduling;

Thus,ophthalmologists' knowledge renewal will be a critical point in the development of the discipline.

In light of the problems existing in the development of our country archives information resources, this paper probes into development of archives information resources from three aspects of concept innovation, knowledge renewal, paying attention to practice application, pointsout that strengthening the archives information resources development is the utmost urgency task of archives worker

With technology development,knowledge renewal and market competition,the modern librarians should strengthen their self-ability.

As few importance was attached on knowledge renew in theory and practice of knowledge management,knowledge in rule form was taken as an example,the process of renewing knowledge in time was researched in this paper.

The topic is dealt with from four aspects:teachers training in basic education, cadres rotating training, scientific research instruction, information service in the renewal of knowledge.