computer network,计算机网络
computer simulation,计算机仿真
computer system,计算机系统
concave grating,面光栅
concentrating flux plate,导磁板
concentrating flux sleeve,导磁套
concentration,浓度
concentration cell,浓度电池
concentration of tracer,示踪物浓度
concentration sensitive detector,浓度敏感型检测器
concetric orifice plate,同心孔板
condensation,凝露
condenser lens,聚光镜
condenser microphone,电容传声器
condition,状态；条件
conditional instability,条件不稳定性
conditional stability of a linear system,线性系统的条件稳定性
conditionally stable system,条件稳定系统
conditioning,调节；环境负荷
conductance,电导
conducting electrical instrument,传导类电法仪器
conductive gas transducer[sensor],电导式气体传感器
conductive level transducer[sensor],电导式物位传感器
conductivity,电导率
conductivity cell,电导池
conductivity instrument,电导率仪器
conductivity sensor,电导率传感器
conductometer,电导仪
conductometric analysis,电导分析（法）
conductometric analyzer,电导式分析器
conductometric titration,电导滴定
cone plug,圆锥形阀芯
cone-and-float flowmeter,盘塞式流量计
cone-and-float flowmeter,浮子流量计
cone-plate viscometer,锥—板粘度计
confidence level,置信水平
confidence limits,置信界限
configuration,配置；组态
configuration of hardware,硬件的配置
conformance test,合格试验
conformance testing,一致性测试
conformity,一致性
conformity certification,合格认证
conformity error,一致性误差
conical bearing,锥形支承
conical entrance orifice plate,锥形入口孔板
connecting link,连杆
connecting resistance(for potential),（电位）连接电阻
connecting wire error,连接线误差
connector,接插件
consistency,一致性
consistency check,相容性检验
consistency transmitter,浓度变送器
console，操纵台
console printer,控制台打印机
constant bandwidth filter,恒定带宽滤波器
constant current power supply,恒流电源
constant-head flowmeter,恒定压头流量计
constant-level head tank,恒液位压头容器
constant of a measuring instrument,测量仪表[器具]的常数
constant-rate injection method,恒定速率注入法
constant state,恒定状态
constant-temperature method of reference junction,参比端恒温法
constant voltage/constant,恒压恒流交叠
constant voltage power supply,恒压电源
constriction(of liquid-in-glass thermometer),（玻璃温度计的）缩喉
constructional hardware,结构硬件
consumer package,销售包装
conteact anemometer,接触式风速表
contact controlled electric actuator,有触点电动执行机构
contact electric position transmitter,有触点位置发送器
contact electromotive force,接触电热势
contact head,触头
contact mercury barometer,电接点水银气压表
contact pads,接触垫
contact resistance,接触电阻
contact scanning method,接触法
correlation coefficient,相关系数
correlation length measuring instrument,相关式测长仪
correlative method INPUT system,相关对比法感应脉冲瞬变系统
corrosion,腐蚀
corrosion failure,腐蚀破裂
corrosion-proof instrument,防腐式仪器仪表
corrosion testing machine,腐蚀试验机
corrosive atmospheres test,腐蚀性大气试验
cosine collector,余弦收集器
cosine radiator，余弦辐射体
cost control,成本控制
cost-effectiveness analysis,费用效益分析
cost performance,性能价格比
costate variable,共态变量
coulometer,库伦表
coulometric analysis,电量分析（法）
coulometric analyzer,电量式分析器
coulometric titration,电量滴定
Coulumb interaction,库仑作用
count of acoustic emission event,声发射事件计数
counter type superconduction magnetometer,计数式超导磁力仪
counterweight,配重
counting anemometer,计数风速表
counting rate,计数率
counting rate meter,计数率计
counting-shallow-layer seismograph,计数型浅层地震仪
couplant,耦合剂；耦合介质
couple unbalance,偶不平衡
coupled chamber method reciprocity calibration,耦合腔法互易校准
coupled modes,耦合振型
coupled simultaneous techniques,串接联用技术；同时联合串用技术
coupled system,耦合系统
coupled vibration,耦合振动
coupler,耦合腔
crank balancing machine,曲轴平衡机
crack propagation strain gauge,裂纹扩展应变计
cracking pattern,碎裂图型
crate,机箱
crate address,机箱地址
crate controller,机箱控制器
crate controller type A1,A1型机箱控制器
creep,蠕变恢复
creep rupture strength,持久强度；蠕变断裂强度
creep rupture strength testing machine,持久强度试验机
creep strength,蠕变强度
creep tesing machine,蠕变试验机
creeping of aneroid barometer,空盒气压表的滞后现象
crest factor,峰值因数
critical damping,临界阻尼
critical evaporator,临界点干燥器
critical flow,临界流函数
critical flow measurement,临界流量测量
critical flow nozzle,临界流喷嘴
critical pressure differential,临界压差
critical pressure differential ratio,临界压差比
critical pressure ratio,临界压力比
critical resistance,临界电阻
critical speed,临界速度
critical stability,临界稳定性
critical stable state,临界稳定状态
critical temperature coefficient thermistor,临界温度系数热敏电阻器
critical temperature thermistor,临界温度热敏电阻器
critical value of precipitation rate of salt spray,盐雾沉降率界值
critical viscous damping,临界粘性阻尼
cross-beam,横梁
cross compiling/assembling,交叉编译/汇编
cross-correlation flowmeter,互相关流量计
cross-correlation function,互相关函数
cross lines timer,横线式时标
cross-section ionization detector,离子截面积检测器
crossover frequency,交越频率
crossover of electron gun,电子枪交叉点
crossover of load characteristic,负载特性交叠
crosstalk,串扰
CRT display device,CRT 显示器
CRT display terminal ,CRT显示终端
cryogenic device,低温装置
cryostat,低温槽
crystal,振子；晶片；晶体
crystal grationg,晶体光栅
crystal microphone,晶体传声器
crystal pressure transducer,晶体压力传感器
crystalline electrode,晶体电极
cup anemometer,风杯风速表
cupping testing machine,杯突试验机
current,海流
current bottle,漂流瓶
current center,电流中心
current circuit(of a measuring instrument),（测量仪表的）电流电路
current constant,电流常数
current direction,海流方向；电流方向
current error,电流比值差
current limiting threshold,限流阈（值）
current line,测流绳
current matching transformer,电流匹配互感器
current meter,海流计；流速计
current pole,测流标杆
current sensitivity,电流灵敏度
current stability,电流稳定度
current transformer,电流互感器
current velocity[speed],海流速度
cursor,光标
cursor positioning,光标定位
curvature of field,场曲
curvilinear ordinates recording instrument,曲线坐标记录仪
cut-off frequency,截止频率
cut-out,开孔
cyanometer,天空蓝度测定仪
cybernetic system,控制论系统
cybernetics,控制论
cycle,循环
cycle time,循环时间；周期
cyclesound,往复探测器
cyclic damp heat test,循环湿热试验
cyclic load,循环负荷
cyclic redundancy check(CRC),循环冗余校通验[检验]
cyclic remote control,循环遥控
cyclic strain,循环应变
cyclic stress,循环应力
cycloidal mass spectrometer,摆线质谱计
cylinder,气缸
cylinder efficiency,气缸效率
cylindrical array,柱面阵
cylindrical throat Venturi nozzle,圆筒形喉部文丘里喷嘴