This paper studies factors, structure and function in scientific and technological information service system of collegiate department information room, based on the concept of Systems Engineering.

从系统工程的观点出发，分析研究了系资料室情报资料服务系统的诸多要素及其结构与功能。

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At the end, the paper studies expansibility of the distributed information service system.

最后，本文针对分布信息服务系统的安全服务可扩展性进行优化设计研究。

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This text mainly studies and analyzes the spread characteristic of the vertical search engine and current application situations in the field of information search service of the books.

本文从要研讨和剖析垂曲搜索引擎的传布特征及其反在图书信做搜索效劳范畴的当用现状。

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