We also get individual library catalogs and commercial data feeds.

我们也购买单独的图书馆目录以及商业的数据。

youdao

Most library catalogs allow you to search by author, title or subject.

大多数图书馆目录允许你通过作者、题目或主题词搜索。

youdao

With library catalogs, bigger is better, and one all-inclusive silo is preferable to lots of little ones.

对于图书馆联机目录，是越大越好的，一个包含了所有书库信息的系统比其他许多小一些的系统表现得好。

youdao

Electronic searches of different collections at the library currently require using several separate catalogs.

CNN: LOC Web site to offer access to holdings