系统对此类用户提供用户管理、数据备份及还原、基础数据维护等服务，为实现

The system provides the user of such user management, data backup and restore, data base maintenance services for the realization of role-based user management, system administrator needs to set up the system. <br>All levels of users can manipulate data and documents within the scope of its management, in order to ensure the safety and consistency of system data.

系统对此类用户提供用户管理、数据备份及还原、基础数据维护等服务，为实现基于角色的用户管理，系统需设置系统管理员。<br>各级部门用户只能操作其管理范围内的数据及文件，为了保证系统数据的安全性和一致性。

The system provides such users with user management, data backup and restore, basic data maintenance and other services. In order to achieve role-based user management, the system needs to set up a system administrator.<br>Users at all levels can only operate data and files within their management scope, in order to ensure the security and consistency of system data.<br>