XX电信运营商新增一项Open Lab（开放实验室）出租业务，即该电信运营商提供基于Unix平台的实验室环境，选择使用这种业务的用户能够远程登录到实验室中做基于这个实验室环境的一些工作和实验。运营商希望借助先进的计算机技术对访问实验室的用户进行管理和计费，由此实现对此项业务运营的支持与管理。本项目主要包括以下子系统：

采集系统

整合系统

用户管理系统

资费管理系统

管理员管理系统

帐单查询系统

帐务查询系统

用户自服务系统

权限管理系统

-XX telecom operators add a Open Lab (Open Lab) rental business, that is, the telecom operators to offer Unix-based platform for the laboratory environment, choose to use this service users can remotely log on to the lab to do experiments on this room environment, some of the work and experiments. Operator wants to use advanced computer technology to access the lab' s user management and billing, thus achieving the support of the business operations and management. The project includes the following subsystems: acquisition system integrated tariff system user management system management system management system for billing inquiry system administrator account inquiry system user rights management system from the service system