Retrieval effectiveness and retrieval performance mainly depends on the structural pattern of information retrieval language.

情报检索语言的检索效率、检索功能主要取决于其结构模式.

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The information retrieval language is the bridge to link up document and user.

情报检索语言是沟通文献与用户的桥梁,检索效果与检索语言有着极为密切的关系.

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