信息安全 密码理论与技术 释文 off-line encryption 离线加密
- user datagram protocol
- user datagram protocol protocol
- user datagram protocol, UDP
- user-defined character-formation program
- user-defined word-formation program
- user documentation
- user elevation database
- user equivalent range error
- user experience
- User Experience Alliance China
- user experience design
- user experience design, UED
- user experience expert
- User Experience Professional Association
- user feedback
- user generated content
- user-generated content
- user-generated content, UGC
- User Generated Content，UGC
- user-generated content，UGC
- user identification code
- user identity
- user information attention
- user information behavior
- user information cognition