这三个构件是通用查询界面生成构件、通用报表生成构件和角色信息分析构件。

The three components are Common Query Interface Formulation component, Common Report form Formulation component and Role Information Analysis component.

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本文从界面的角度，研究软件系统中的查询操作，提出一种通用查询界面框架。

In this paper, we analyze the query action of software systems and put forward a general frame of query interface.

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