| 序号 | 英文 | 音标 | 词性 | 中文 |
| | CDC | | | =Central Digital Computer 中央数字计算机 |
| | CDCE | | | =Central Data Conversion Equipment 中央数据转换装备 |
| | CDCS | | | =Centralized Digital Control System 中央数字控制系统 |
| | CDD | | | 公共数字字典 |
| | CDF | | | =Contiguous-Disk File 邻近磁盘文件 |
| | CDG | | | =Carriage of Dangerous Goods 危险品运输 |
| | CDH | | | =Command and Data Handling 指令与数据处理 |
| | CDI | | | 综合报告索引 |
| | CDK | | | = Console Display Keyboard 控制台显示键盘 |
| | CDL | | | =Command Definition Language 指令定义语言 |
| | CDMA | | | 码分多址(Code Division Multiple Access),基于扩频技术的一种崭新而成熟的无线通信技术 |
| | CDNC | | | 计算机辅助设计数字控制 |
| | CDP | | | 数据处理证书 |
| | CDPC | | | =Central Data Processing Computer 中央数据处理计算机 |
| | CDPLAY | | n. | CD播放程序 |
| | CDR | | abbr. | commander 会长 |
| | CDROM | | n. | 只读光盘 |
| | CDS | | | =Central Dynamic Store中央动态存贮器 |
| | CDT | | abbr. | (美国)中央时区 |
| | CDTA | | | =Cyclohexane-diamine-tetraacetic Acid 环已烷二胺四醋酸 |
| | CDU | | | =Central Display Unit 中央显示器 |
| | CDW | | | =Charge Density Wave 电荷密度波 |
| | CE | | abr.；n. | abr. IBM customer engineer [计](IBM)；n. [化]铈(Cerium) |
| | CEA | | abbr. | [军] Cost Effectiveness Analysis, 成本效益分析 |
| | CECF | | abbr. | Chinese Export Commodilies Fair 中国出口商品交易会 |
| | CED | | abbr. | Committee for Economic 经济发展委员会 |
| | CEEB | | abbr. | College Entrance Examination Board (美国)大学入学考试委员会 |
| | CEGB | | abbr. | Central Electricity Generating Board (英国)中央电力局 |
| | CEM | | | =Compagnie Electromecanique (=Electromechanical Company)法国电机公司 |
| | CEMA | | | =Canadian Electrical Manufacturers Association 加拿大电器制造商协会 |
| | CEMB | | | =Communications-Eletronics Meterological Board 通讯电子与气象局([美]空军) |
| | CEMF | | abbr. | counter electromotive force 反电动势 |
| | CENEX | | | =Complex Energetics Experiment 综合力能学实验 |
| | CENTAG | | | =Central European Army Group (of NATO)(北约)中欧集团军 |
| | CENTO | | | =Central Treaty Organization 中央条约组织 |
| | CEO | | abbr. | Chief Executive Officer 执行总裁，首席执行官 |
| | CEP | sep | abbr. | [军] Circular Error Probablity, 圆概率误差 |
| | CEPE | | | =Central Experimental and Proving Establishment 中心试验与测验研究所[加] |
| | CEQ | | abbr. | Council on Environmental Quality (美国)改善环境质量委员会 |
| | CERA | | | =Civil Engineering Research Association 土木工程研究协会[英] |
| | CERC | | | =Centralized Engine Room Control 机房集中控制 |
| | CERE | | | =Computer Entry and Readout Equipment 计算机输入与读出设备 |
| | CERES | | | =Combined Echo Ranging Echo Sounding 统一的回声测距与测深 |
| | CERI | | | =Central Electrochemical Research Institute 中央电化学研究所[印] |
| | CERL | | | =Central Electricity Research Laboratories 中央电业研究实验室([英]CEGB) |
| | CERN | s\:n | abbr. | European laboratory for particle physics,欧洲粒子物理研究所 |
| | CERNET | | | 中国教育和科研网 |
| | CES | | | =Centre for Environmental Studies 环境研究中心[英] |
| | CESA | | | =Canadian Engineering Standards Association 加拿大工程标准协会 |
| | CESC | | | =Conference on European Security and Cooperation 欧洲安全合作会议(简称“欧安会”) |
| | CESI | | | =Centre for Economic and Social Information 经济和社会情报中心[联合国] |
| | CESM | | | =Continuous Electro-slag Melting[冶]连续电渣熔炼法 |
| | CET | | abbr.；abbr. | abbr. [军] Combat Engineer Tractor, 战斗工程牵引车；abbr. Centcal Europear Time 中部欧洲时间 |
| | CETI | | abbr. | communication with extraterrestrial intelligence 与外星智能的交流 |
| | CEUCA | | abbr. | Central African Customs and Economic Union,中非关税经济同盟 |
| | CEV | | abbr. | [军] Combar Engineer Vehicle, 战斗工程车 |
| | CEnis | | n. | 塞尼峰(在法、意之间) |
| | CF | | | =Call Finder[信]寻线机 |
| | CF&I | | | Cost,Freight and Insurance 运费,保险费在内价,到岸价岸(=CFI) |
| | CFC | | | chlorofluorocarbon 氟氯化碳 |
| | CFC-free | | adj. | 不含CFC的，不含含氯氟烃的 |
| | CFE | | abbr. | 进修学院 (College of Further Education) |
| | CFF | | | =Critical Flicker Frequency 临界闪变频率 |
| | CFIDO | | | 中国的业余爱好者网络 |
| | CFL | | | =Canadian Federation of Labour 加拿大劳工联合会 |
| | CFM | | | =Cathode-Follower Mixer 阴极跟随器混频器 |
| | CFR | | | =Center for Future Research 未来研究中心([美] California 大学) |
| | CFS | | abbr. | cubic feet per second 立方英尺[秒] |
| | CFSE | | | =Crystal Field Stabilization Energies 晶体场稳定能 |
| | CFSTI | | | =Clearinghouse for Federal Scientific and Technical Information 联邦科学技术情报交换中心[美] |
| | CFT | | | =Charge-Flow Transister 电荷流晶体管 |
| | CFTS | | | =Captive Firing Test Set 可截获的发射试验装置 |
| | CFV | | abbr.；abbr. | abbr. [军] Cavalry Fingting Vehicle, 骑兵战车；abbr. Call for Votes 召集投票选举 |
| | CG | | | =Camera Gun 照像枪 |
| | CGA | | n. | 彩色图形适配器 |
| | CGC | | | =Cathode-Grid Capacitance 阴极-栅极电容 |
| | CGE | | | 法国通用电器公司 |
| | CGH | | abbr. | Cape of Good Hope (即Good Hope, Cape of) |
| | CGI | | abbr.；abbr. | abbr. Common Gateway Interface , 公共网关接口；abbr. Computer Graphics Interface 计算机图形接口 |
| | CGM | | | 计算机图形元文件 |
| | CGP | | | =Chemical Ground Pulp 化学细磨纸浆 |
| | CGPM | | | =Conference Generale des Poids et Mesures 国际度量衡会议[法] |
| | CGRS | | | =Central Gyro Reference System 中心陀螺基准系统 |
| | CGS | | abbr. | Core Graphics System, 核心图形系统 |
| | CGT | | abbr. | <法>Confédération Générale du Travail ( 法国) 总工会( =General Confederation of Labour) |
| | CGTM | | | =Command Guided Tactical Missile 指令制导战术导弹 |
| | CGTS | | | =Coast and Geodetic Tide Station 海岸与大地潮汐测量站 |
| | CH | | abbr. | 荣誉勋爵(Companion of Honor) |
| | CHB | | | =Centre Half-Back(足球)中前卫 |
| | CHC | | | =Channel Control Unit通道控制器 |
| | CHCP | | | [计] 修改或显示当前的代码页 |
| | CHCS | | | =Channel Carrier Common Supply信道载波共用电源 |
| | CHD | | abbr. | coronary heart disease冠心病 |
| | CHDL | | | =Computer Hardware Description Language计算机硬件描述语言 |
| | CHEL | | | =Chain Home Extra Low超低空搜索雷达网 |
| | CHESS | | | community health and environmental surveillance system 居民健康和环境警戒网 |
| | CHH | | | =Chain Home High (英国本土)高空搜索雷达网 |
| | CHINOPERL | | abbr. | Chinese Oral and Performing Literature(北美) 中国俗曲演唱文学研究会 |
| | CHKDSK | | | [计] 检查系统或修正磁盘文件错误 |
| | CHL | | | =chain home low 低空飞机远程警戒雷达网, 海岸低空搜索雷达网 |
| | CHM | | | =Chemical Machining 化学加工 |