...性 · 传播内容的海量性和开放性·传播过程的双向性和交互性 ·传播环境的个性化 第三周：Structure and Function(传播的结构和功能) 一．Structure Communication is a process,which includes factors and relationships between factors.
It also want to regulateecologysystemstructureandfunctionofmedicalacademicjournalsto achieveitsbest structure and function, to realize the greatestsocial and economic benefits.