Free text retrieval (full text retrieval) systems locate records based on searching their content.

不限格式的内文检索(全文检索)系统是基于内容搜寻而找出档案。

youdao

Free text retrieval (full text retrieval) systems locate records based on searching their content.

不限格式的内文检索(全文检索)系统是基于内容搜寻而找出档案。

youdao