通过引入生物学领域生态位理论和经济学领域差异化概念,提出科技期刊理念差异化、产品差异化和服务差异化等3个差异化办刊层次。以中华医学会系列杂志,尤其是耳鼻咽喉头颈外科领域系列杂志为主要研究对象,阐明这3个差异化办刊层次。 By introducing the concept of niche in the field of biology and the concept of difference in the field of economics, three differentiated levels of journals such as concept differentiation of science and technology journals, product differentiation and service differentiation are proposed. To the Chinese Medical Association series of magazines, especially Otorhinolaryngology Head and Neck Surgery series of magazines as the main research object, clarifying the three differentiated level of the magazine.