On the basis of the frequency one article is quoted, we propose the concept importance of document and apply it to the ordering of retrieval results based on content.
本文应用一篇文章的被引用信息提出了文献的“重要性”的概念，并将它应用到基于内容的检索结果的排序中。
Other features include: mixed use of Chinese and English languages by Pinyin and alphabet ordering for fast retrieval.
其他特点还有：中英文语言混合采用汉语拼音和英文字母排序，可快速检索。
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