历史学 国际关系史 释 Shanghai Cooperation Organization；SCO 上海合作组织 2001年6月15日在中国上海成立的永久性政府间国际组织。
网络与数据通信 无线网络 释文 synchronous connection-oriented link, SCO 同步的面向连接的链路
- unit cell
- unit cell having maximum symmetry and minimum size
- unit character
- unit charge
- unit chemical dosing system
- unit circle
- unit class
- unit combination instrument
- unit commitment
- unit complex hyperball
- unit complex number
- unit construction area
- unit-coordinated control system
- unit crystal
- unit cube
- unit curriculum
- unit disc
- unit disk
- unit disk integral
- unit distance
- unit-distance graph
- unit distribution
- unit divisor
- unit doublet
- unit dyad