信息安全 密码理论与技术 释文 rotor cipher 转轮密码
- unary object
- unary operation
- unary operator
- unary predicate
- unary relation
- unaspirated sound
- unaspirated voiceless initials
- unassigned imperial clan
- unassigned reading frame
- unattainability
- unattainable
- unattainable vertex
- unattended
- unattenuated
- unauthorized agency
- unavailability
- unavoidability
- unavoidable
- unavoidable ion
- unavoidable set
- unbacked film
- unbaffled throughput
- unbalance
- unbalanced
- unbalanced assignment problem