Starting from the theory of dissemination,the article makes an analysis of the influence of nonverbal dissemination on the library activities,and lays stress on the utilization of nonverbal dissemination to promote the dissemination of document resources of libraries.

The feature and achievement of present research on computer-mediated speech communication lie in the summary of the form,style and characteristic of computer-mediated speech from an angle of pure linguistics,while those of computer-mediated no-speech communication lie in the analysis of its types and communication functions from an angle of symbol science.

Yu Zhu is the first monograph of researching classical function word in our country,It has broken the tradition of explaining words in articles and researched the grammar semantic function systematically.