信息检索工具 meaning in English

gopher

On - line cross - language retrieval methods
信息时代信息检索工具发展的新走向
The set network information resource research tool
集合型网络信息检索工具
Classification system of network information searching aids
网络中文信息检索工具的评价
The 10 development tendency of internet information retrieval tools
因特网信息检索工具的十大发展方向
The new development direction of information retrieval tools in information era
中文网络信息检索工具的比较研究

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