This article states the essential function of OPAC system in library, analyses the factors which infecting the quality of OPAC system, and brings out some ideas of improving the quality of the system.

文章简述了OPAC系统在图书馆的基本职能，分析了影响系统质量的种种因素并提出了改进系统质量的几点思考。

youdao

OPAC periodical and all kinds of electronic periodical are separated in heterogeneous information system and hard to retrieve and obtain for users in traditional digital library services.

在数字图书馆信息服务中，馆藏期刊以及各种电子期刊资源分散在异构的信息系统中，不利于读者的信息检索与获取。

youdao

The limitations of MARC system make it necessary to integrate OPAC with Delicious.

分析了MARC数据的缺陷，提出了OPAC与美味书签结合检索的必要性。

youdao