Hall and brown first define an on-line bibliographic data base as a collection of records.

霍尔和布朗首先把联机书目数据库定义为纪录集合。

youdao

Hall and brown first define an on-line bibliographic data base as a collection of records.

霍尔和布朗首先把联机书目数据库定义为纪录集合。

youdao