current error,電流比值差
    current limiting threshold,限流閾（值）
    current line,測流繩
    current matching transformer,電流匹配互感器
    current meter,海流計；流速計
    current pole,測流標(biāo)桿
    current sensitivity,電流靈敏度
    current stability,電流穩(wěn)定度
    current transformer,電流互感器
    current velocity[speed],海流速度
    cursor,光標(biāo)
    cursor positioning,光標(biāo)定位
    curvature of field,場曲
    curvilinear ordinates recording instrument,曲線坐標(biāo)記錄儀
    cut-off frequency,截止頻率
    cut-out,開孔
    cyanometer,天空藍(lán)度測定儀
    cybernetic system,控制論系統(tǒng)
    cybernetics,控制論
    cycle,循環(huán)
    cycle time,循環(huán)時間；周期
    cyclesound,往復(fù)探測器
    cyclic damp heat test,循環(huán)濕熱試驗
    cyclic load,循環(huán)負(fù)荷
    cyclic redundancy check(CRC),循環(huán)冗余校通驗[檢驗]
    cyclic remote control,循環(huán)遙控
    cyclic strain,循環(huán)應(yīng)變
    cyclic stress,循環(huán)應(yīng)力
    cycloidal mass spectrometer,擺線質(zhì)譜計
    cylinder,氣缸
    cylinder efficiency,氣缸效率
    cylindrical array,柱面陣
    cylindrical throat Venturi nozzle,圓筒形喉部文丘里噴嘴