Starting from the concept of knowledge management,this paper makes some researches on the periodical management in libraries. 文章从介绍知识管理的概念内涵入手对图书馆的期刊知识管理进行了研究。
Therefore, it is necessary that we make systemic cognition about the concept and connotation of ecotourism in order to promote the ecotourism to develop healthily in our country. 因而有必要对生态旅游的概念内涵进行系统认识，以期促进我国生态旅游的健康发展。
