Through the example of Tongji Information Retrieval Network System (TJIRNS), the paper mainly describes on-line expansion function and its implementation under the specific conditions.
文中以同济情报检索网络系统（TJIRNS）为例，论述了典型环境中联机扩展功能及其实现过程。
The characters of its information resources, retrieval methods and results are fully introduced and the function is briefly commented on this paper.
本文详尽地介绍了它的信息资源、检索方法及结果显示等特点，并对其功能作了简要评述。
The paper introduces the significance, function and key technology of the information retrieval intellectualized service and teaching system of Southwest Jiaotong University.
介绍了西南交通大学信息检索智能服务与教学系统的意义、功能和关键技术。
The system's function includes fixed assets depreciation, disposition and improvement, target management, information recording, data check and data retrieval and so on.
除了实现固定资产折旧、固定资产处置和改良、指标管理、信息录入和数据审核这些基本功能之外，该系统还实现了数据检索功能。
It is characterized by the function of the attribute information storage of items, automatic data retrieval, intelligent operating analysis and intuitionistic virtual graphic display.
具有独特项目属性信息存贮，自动查询，智能运算分析，直观仿真图示等功能。
It is characterized by the function of the attribute information storage of items, automatic data retrieval, intelligent operating analysis and intuitionistic virtual graphic display.
具有独特项目属性信息存贮，自动查询，智能运算分析，直观仿真图示等功能。
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