Create an integrated online public access catalog (OPAC) to include both internal and external resources.

建立一个集成的网上公共获取目录，包括馆内和馆外的知识资源。

youdao

Create an integrated online public access catalog (OPAC) to include both internal and external resources.

建立一个集成的网上公共获取目录，包括馆内和馆外的知识资源。

youdao