求翻译：常工EMP预付费管理系统软件基于B/S架构，根据赋予的不同权限，进行开卡、购电、补卡以及系统维护等基本操作；人性化的设置，使得操作简单便捷；强大的定额管理，协助部门管理用电情况；通过丰富多样的报表查询，及时发现异常及错误，有效的提高部门管理效率。是什么意思？

Chang Gong EMP pre-paid management system software based on b/s structure, depending on the given permission, open cards, purchase, fill the card and system maintenance and other basic operations; user-friendly settings, allows simple and convenient operation; strong quota management to assist departments to manage electricity consumption; through a variety of reports, queries, find anomalies and errors in time, effectively improve the efficiency of departmental management.