cathode of electron gun,電子槍陰极

cathode ray null indicator,陰极射線指零儀

cavitation,空化

cavitation corrosion,气蝕

cavitation noise,空化噪聲

ceilometer,云冪儀

cell,電池；傳感器

cell constant,電池常數

cell potential transducer[sensor],細胞電位傳感器

Celsius,攝氏度

Celsius temperature,攝氏溫度

Celsius temperature scale,攝氏溫標

center of strike,打擊中心

central conductor method,中心導体法；電流貫通法

central principal inertia axis,中心主慣性軸

central processing unit(CPU),中央處理單元

central processor,中央處理器

centrality,集中性

centralized control,集中控制

centralized intelligence,集中智能

centralized management system,集中管理系統

centralized network,集中式网絡

centralized process control computer,集中型過程控制計算机

centrifugal balancing machine,离心力式平衡机

centrifugal tachometer,离心式轉速表

ceramic microphone,陶瓷傳聲器

ceraunograph,雷電計

ceraunometer,雷電儀

certificate of conformity,合格証書

certificate of control,控制証書

certification,認証

certification of conformity of an instrument for explosive atmosphere,防爆合格証

certification system,認証体系

certified standard material,有証標准物質

chained list,鏈接表

change of temperature test,溫度變化試驗

channel,信道；通道

character,字符

character code,字符碼

character recognition,字符識別

character set,字符集；字符組

character-at-time printer,一次一字符打印机[印刷机]；串行打印机

characteristic curve,特性曲線

characteristic "fast",﹛快﹛特性

characteristic "impulse",﹛脈衝﹛響應特性

characteristic"slow",﹛慢﹛特性

characteristic locus,特征軌跡

characteristic impedance,特性阻抗

characteristic X-ray,特征X射線

charge amplifier,電荷放大器

charge neutralization,電荷中和

charge sensitivity,電荷靈敏度

chart,記錄紙

chart driving mechanism,傳紙机构

chart lines,記錄紙分度線

chart scale length,記錄紙標度尺長度

closed loop transfer function,閉環傳遞函數

closed loop zero,閉環零點

closed position,關閉位置

closed system,封閉系統

closing valve time,關閥時間

closure member,截流件

cloud amount,云量

cloud balancer,測支平衡器

cloud base,云底

cloud chamber,云室；云零室

cloud detection radar,測云雷達

cloud direction,云向

cloud height indicator,云高指示器

cloud height meter,云冪儀

cloud searchlight,云冪燈

cloud speed,云速

cloud top,云頂

cloud-base recorder,云底記錄儀

cloud-drop sampler,云滴取校器

cloudiness radiometer,云輻射儀

cloverleaf buoy,三葉浮標

Coanda effect,附壁效應

coarse vacuum,粗真空；前級真空

coastal zone color scanner(CZCS),海岸帶水色掃描儀

coaxiality,同軸度 code,代碼；代號；規程；規范

code converter;D/D converter,代碼轉換器；D/D轉換器

coded circle,編碼度盤

code-transparent data communication,代碼透明的數据通信

coefficient of chromatic aberration,色差系數

coefficient of interference,干扰系數

coefficient of radial distortion,徑向畸變系數

coefficient of rotational distortion,旋轉畸變系數

coefficient of spherical aberration,球差系數

coefficient of variation,變异系數

coercivity meter,矯頑力計

coil galvanometer,線圈式振動子

coil method,線圈材料

coil method,線圈法

coincidence discrimination,符合鑒別

coincidence level,度盤合像裝置

cold test,寒冷試驗

cold-cathode source,冷陰极离子源