通论 计算机系统类型 释文 notebook computer 笔记本计算机
- universal time
- universal time constant
- universal time, UT
- universal topological space
- universal transverse mercator projection
- universal Turing machine
- universal two-child policy
- universal unfolding
- universal uniformity
- universal validity
- universal variety
- universal woodworking machine
- universal λ-ring
- universe
- universe abundance
- universe age
- universe, cosmos
- universe evolution
- universe mean
- universe of a structure
- universe of discourse
- universe's age
- universe's age, cosmic age
- Universidad de El Salvador
- university and college campuses