users classification是什么意思

用法例句

Automatic user-role assignment in electronic bookstore;

电子书店中的用户角色分配自动化

A study of user-based comprehensive traffic and transportation system;

基于用户的综合交通运输体系及网络平衡研究

The Development of Electric Expense Cards for Large Double-users;

两部制大用户电费抄表卡的开发

Electricity-supply plans of enlarging project by using frequency transformer users;

使用变频器用户的增容工程供电方案确定

Implementing consistent users authority management with RBAC;

应用RBAC技术实现MIS用户权限管理的统一