科技信息类站点，是指由全国各省市科技信息机构建设的中国科技信息网在各地的分中心即支干网。自1994年以来，全国上网建站的省、市级科技信息网已达33家（见表1）。表回中国科技信息网各分中心由于科技信息网站的建网宗旨是促进全社会广泛的信息共享’信息交流，因此；所有网 Science and technology information site, refers to the provinces and cities nationwide science and technology information agencies to build China Science and Technology Information Network in various sub-centers that support network. Since 1994, there have been 33 provincial and municipal science and technology information networks set up in the country (see Table 1). Table back to China Science and Technology Information Network sub-centers as science and technology information network site aims to promote a wide range of social information sharing ’exchange of information, therefore; all network