This module is a complete package that supports user authentication.

这个模块是一个支持用户身份验证的完整的包。

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In security module, the security technology of user authentication, message encryption, audit tracing and access control is used.

在安全模块中，使用了用户认证、通讯加密、审计追踪、访问控制等安全技术，并且引入了模糊控制与专家系统。

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Besides the blueprint establishment, the paper had also considered the system security problem, it established the effective user authentication and privilege management function module.

系统除了实现了图纸库的建立和管理功能外，考虑了系统安全性能，建立了有效的用户权限管理功能模块。

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