Information retrieval is a technology that searches the information users need from massive information resources.

信息检索就是从海量的信息资源中获得用户所需要信息的技术。

youdao

Information retrieval is a technology that searches the information users need from massive information resources.

信息检索就是从海量的信息资源中获得用户所需要信息的技术。

youdao