理学 人机交互设计 释 persona；user profile 用户角色 基于对真实用户进行研究和数据整理后描述的典型用户形象，并且模拟他们如何使用产品或服务的过程和场景。是描述典型用户的工具。
数据库 数据库新技术 释文 user profile 用户轮廓数据
- unconditioned sound change
- unconditioned stimulus
- UN conference on Environment and Development in Rio de Janeiro
- unconfined compression strength
- unconformity
- unconnected
- unconnected domain
- unconnected graph
- unconnected set
- unconnected space
- unconscious
- unconscious criminal motivation
- unconscious muttering
- unconscious perception
- unconstitutionality
- unconstrained
- unconstrained minimization
- unconstrained optimization
- unconstrained optimization method
- unconstrained system
- uncontinuity
- uncontrollable factor
- uncontrolled fission
- uncontrolled rectifying circuit
- UN Convention against Corruption，UNCAC