3C
Computer Communication Control
计算机通讯控制
3DCG
3D computer graphics
3D计算机图形
5G
5th Generation Mobile Network
第五代移动通信
AAAA
IPv6 Address Record
IPv6地址记录
AAP
Active Anti-Psychotronic (software)
主动反心理电子学（软件）
AAP
ACUS (Area Common User System) ACES (Automated Communication Engineering Software) Prototype
ACUS（区域通用用户系统）ACES（自动通信工程…
AAS
AFTAC Application Software
AFTAC应用软件
AAS
Apptivity Application Server (Progress Software, Inc.)
Apptivity应用程序服务器（Progress…
AAS
Advanced Planning System Application Software
高级计划系统应用软件
AAS
All American SportsWare (sports software company)
所有AmericanSportsWare（体育软件…
AAW
Ad-Aware (software)
Ad-Aware(software)
ABC
Automatic Binary Computer
自动二进制计算机
ABI
Application Binary Interface
应用二进制接口
ABS
Agile Business Suite (Unisys software)
AgileBusinessSuite(Unisys…
AbSD
Appliance Based Software Delivery
ApplianceBasedSoftwareDel…
AC
Automatic Computer
自动电脑
AC
Asynchronous Computer
异步计算机
ACAD
Advanced Computer Aided Design
AdvancedComputerAidedDesi…
ACAD
Auto Computer-Aided Design
AutoComputer-AidedDesign
ACAD
AutoCAD (design/drafting development software by Autodesk)
AutoCAD（Autodesk设计/起草开发软件…
ACC
Australian Computer Conference
澳大利亚计算机会议
ACC
Avon Computer Co-Operative (Bristol, UK)
雅芳计算机合作公司（英国布里斯托尔）
ACCS
Association of Copyright for Computer Software
计算机软件著作权协会
ACE
Animated Computer Education
动画计算机教育
ACE
Adaptive Computer Experiment
自适应计算机实验
ACIS
Alan Grayer, Charles Lang, Ian Braid, Dick Sower (Solid Modeling CAD library)
艾伦·格雷尔（AlanGrayer），查尔斯
ACM
Association for Computing Machinery
计算机协会
ACNM
Application-Centric Network Management (BMC Software)
以应用为中心的网络管理（BMC软件）
ACP
Associate Computing Professional
助理计算专业