常見例句雙語例句Science and technology document retrieval system is commonly used by researchers as document retrieval tools.科技文獻(xiàn)檢索系統(tǒng)是科研人員常用的文獻(xiàn)檢索工具。This paper gives a description of the knowledge-based document retrieval system, and makes an introduction to a kind of inquiry language based on predicate.文中對基于知識的文獻(xiàn)檢索體系進(jìn)行了描述,并介紹了一種基于謂詞的查詢語言以及基于知識的搜索引擎的工作原理。In the end, an experiment is carried out with 252 documents chosen from domain information retrieval. A 4-layer TM is created and based on it a document retrieval system is developed.本文最后以“信息檢索”領(lǐng)域為例從中選擇了252篇文獻(xiàn)進(jìn)行試驗,構(gòu)建了一個4層的主題地圖并以此為基礎(chǔ)開發(fā)了一個文獻(xiàn)檢索原型系統(tǒng)。 返回 document retrieval system