N
n-exponent,n-指数
N.T.C.thermistor,负温度系数热敏电阻器
Nansen bottle,南森采水器
Nansen opening-and-closing net,南森开团式网
narrow-band filter,窄带滤波器
narrow-band random vibration,窄带随机振动
narrow band spectrum,窄波段
national satellite,国土卫星
national standard,国家标准
natural
G
gain增益
gain margin增益裕度
gain-crossover frequency增益交越频率
galvanic cell原电池
galvanometer检流计
galvanometer gecord type strong-motion instrument电流计记录式强震仪
galvanometer with optical point光点式检流计
game theory对策论；博弈树
gamma directioned radiometer伽玛定向辐射仪
F
face to face dimension,端面距尺寸
facsimile seismograph,传真式地震仪
factory communication,工厂通信
factory information protocol,工厂信息协议
Fahrenheit,华氏度
Fahrenheit temperature scale,华氏温标
fail safe,换效安全
fail tree analysis,失效树分析
failure,失效
failure diagnosis,失效诊
D and D/2 pressure tappings D和D/2取压口 D-port D型端口 DC-DC LVDT displacement transducer 直流差动变压器式位移传感器 d.c.bridge for measuring high resistance 直流高阻电桥 d.c.bridge for measuring resist
a. c .balance indicator 交流平衡指示器 a. c. bridge 交流电桥 a. c. current calibrator 交流电流校准器 a. c. current distortion 交流电流失真 a. c. induced polarization instrument
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