目前,在科技文献的销售市场上出现了印刷本、缩微品、磁带、光盘等情报载体并存的局面,其内容相互交叉、相互重复。几种文献载体特点对比如表1所示。 我们应根据文献载体的特点、经费状况、设备条件及用户需求,对文献采集采取如下对策:1中文文献的收集以印刷本为主 考虑到资源? At present, in the sales market of scientific and technical documents, information carriers such as printed materials, microform products, magnetic tapes and optical discs coexist, and their contents cross each other and overlap with each other. Comparison of several literature carrier characteristics shown in Table 1. We should take the following measures according to the characteristics of the literature carrier, funding status, equipment conditions and user needs: 1 The collection of Chinese documents mainly in printed form Considering the resources?