本系统为资产管理系统，分三个用户权限，管理员对员工的管理以及对资产的卖出，财务人员进行对资产的估价以及分配资产；维护人员主要是对资产的维护以及对维护商的管理-the system for asset management systems, three user competence, Administrators of the management and staff of the assets sold, the finance staff of the valuation of assets