It is generally divided into three main modules: the module for asking for on-line leave, the module for managing attendance of undergraduate and the module for backstage management.

本系统总体上由三大功能模块：请假系统模块、考勤系统模块、后台管理模块组成。

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This system has implemented three modules including test questions management module, on-line examination module and auto grading module.

本系统实现了三个功能模块即试题管理模块、在线考试模块、自动评分模块。

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As just discussed, organizations normally have three levels of management: first-line managers, middle managers, and top managers.

正如上面所讨论的，组织一般有三个管理层级：基层管理者、中层管理者和高层管理者。

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He said the top three factors to improving front-line services while delivering savings are to strip out duplicated layers of management, reduce debt repayments to the banks and drive down accommodation costs and overhead.

BBC: council tax bill