Description: 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
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电费计费系统.rar
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