理学 网络防护 释 virtual private network; VPN 虚拟专用网 利用开放性公共网络的基础设施，通过加密、认证和封装等技术为用户创建一条专用隧道，实现不同网络之间和用户同网络之间的安全连接，为用户提供与专用网络等效的安全和功能保障的技术。
网络与数据通信 网络管理与安全 释文 virtual private network, VPN 虚拟专用网络
- mean-square ergodic theorem
- mean square error
- mean-square error
- mean square error of side length
- mean-square limit
- mean square of error
- mean square radius of gyration
- mean-square regression
- mean square speed
- mean square stability
- mean square value
- mean-square value
- means target chain
- means to inheritance division
- mean sun
- mean surface
- mean synodic month
- mean synodic motion
- mean synodic period
- mean synodic revolution
- mean synodic rotation
- mean synodic year
- mean tangent diameter
- mean term
- mean term of proportion