【摘要】 网上出版物据有信息量大、更新速度快、读者面大、传播速度快等优势，其发展速度使传统出版媒体望尘莫及。１９９１年，世界网上期刊有１００种，１９９６年１０００种，１９９８年１万种［１］。１９９８年，中国建成了第一个全国性计算机学术网络中国教育科研网（Ｃｅｒ...更多还原

【Abstract】 In order to improve the impact factor of Journal of Tsinghua University (JTU), the editorial board of JTU publishes its journals : “Qinghua Daxue Xuebao” (JTU, in Chinese) and “Tsinghua Science and Technology” online through Internet. Readers can get the keywords title, authors, and abstract of each article in these journals through 3 web sites, which are: (1) http://www.tupress.com/tsinghuajournal; (2) http:/www.caj cd.edu.cn/pub; (3) http://www.chinainfo.gov.cn.更多还原