So the sustain can be achieved.Niche also is put into this article to describe relations of enterprises in industrial cluster, such as competition, intergrowth and autoeciousness.

• 本文将种群生态学中的生态位的概念引入到产业集群的研究中，并以生态位的包含、交叉和分离分别解释产业集群中企业之间的寄生、竞争和共生的关系。