U-bolt ==> U形螺丝
u shape hanger chains ==> u形曲链片吊挂装置
u shaped manometer ==> u形压力计
u.s. standard screw thread ==> 美制螺纹
ubitron ==> 波动射束注入器
uhf ==> 特高频
uhf band pass filter ==> 特高频带通滤波器
uhf converter ==> 特高频变频器
uhf preamplifier stage ==> 特高频前置放大器
uhf resonance frequency meter ==> 超高频谐振式频率计
uhf tuner ==> 特高频调谐器
uhf vision transmitter ==> 特高频图象发射机
uhsi ==> 超高速集成电路
UHV ==> 超高真空,特高压
UHV AC pilot project ==> 特高压交流试验示范工程
UHV AC system ==> 特高压交流电力系统
UHV AC system planning ==> 特高压交流电力系统规划
UHV AC transmission line ==> 特高压交流输电线路
UHV DC control and protection system ==> 特高压直流电力系统控制保护装置
UHV DC system ==> 特高压直流电力系统
UHV DC system planning ==> 特高压直流电力系统规划
UHV DC system technologies ==> 特高压直流电力系统技术
UHV DC transmission line ==> 特高压直流输电线路
UHV reactors ==> 特高压交流系统电抗器
UHV series compensation ==> 特高压交流系统变压器串补
UHV substation ==> 特高压变电站
UHV surge arresters ==> 特高压交流系统避雷器
UHV switchgears ==> 特高压交流系统开关
UHV transformers ==> 特高压变压器,特高压交流系统变压器
UHV transmission ==> 特高压输电
UHV transmission line ==> 特高压输电线路
UHV, Ultra high voltage ==> 特高压
UHVAC ==> 特高压交流系统
UHVDC ==> 特高压直流系统
ujt ==> 单结型晶体管
ULF, ultra low frequency ==> 超低频
ulg ==> 通用逻辑门
ulsi ==> 超大规模集成化
ultimate motor fuel ==> 最优发动机燃料,最优汽车汽油
ultimate pressure ==> 极限压力
ultimate resolution ==> 极限分辨力
ultra ==> 超
ultra acoustic ==> 超声学
ultra-audible frequency ==> 超声频率,超音频
ultra-audion ==> 超三极管
ultra-calan ==> 超卡兰(一种绝缘材料)
ultra-clean air system ==> 超净空气系统
ultra high frequency (UHF) ==> 特高频
ultra-high frequency amplification ==> 超高频放大
ultra-high frequency cathode ray tube ==> 超高频阴极射线管
ultra-high frequency converter ==> 超高频变频器
ultra-high frequency correlator ==> 超高频相关器
ultra-high frequency electricity ==> 超高频电
ultra-high frequency generator ==> 超高频发生器
ultra-high frequency jammer ==> 超高频干扰器
ultra-high frequency oscillator ==> 超高频振荡器
ultra high frequency power signal generator ==> 超高频功率信号发生器
ultra-high frequency receiver ==> 超高频接收机,特高频接收机
ultra high-frequency sound device ==> 超声波测云器
ultra-high frequency test receiver ==> 超高频试验接收机
ultra-high-frequency therapy ==> 超高频率疗法
ultra-high frequency transmitter ==> 超高频发射机
ultra-high-frequency tuner ==> 超高频调谐器
ultra-high frequency ultrasonic wave ==> 超高频率超声波
ultra-high-frequency wave ==> 超高频电波
ultra-high frequency wave meter ==> 超高频波长表
ultra-low emission ==> 超低污染排放
ultra-low frequency ==> 超低频
ultra-low frequency amplifier ==> 超低频放大器
ultra-low frequency dualtrace oscilloscope ==> 超低频二踪示波器
ultra-low frequency oscillator ==> 超低频振荡器
ultra-low frequency oscilloscope ==> 超低频示波器
ultra-low frequency phase shifter ==> 超低频移相器
ultra-low temperature thermistor ==> 超低温热敏电阻器
ultra-magnifier ==> 超磁放大器
ultra pure hydrogen generator ==> 超纯氢发生器
ultra radio frequency ==> 超射频率,超无线电频
ultra-tone generator ==> 超音频发生器
ultra wide band signal generator ==> 超宽频带信号发生器
ultrabasic complex ==> 超基性杂岩体
ultrabroad band light modulator ==> 超宽频带光调制器
ultraclean area ==> 超净区域
ultrafilter ==> 超细过滤器
ultrafine geometry ==> 超精细几何形状
ultrafine resolution ==> 超精细分辨力
ultrahigh frequency ==> 特高频
ultrahigh frequency cathode ray tube ==> 特高频电子束管
ultrahigh frequency converter ==> 特高频变频器
ultrahigh frequency superconducting magnetometer ==> 超高频超导磁强计
ultrahigh frequency tetrode ==> 超高频四极管
ultrahigh frequency translator ==> 特高频差转机
ultrahigh frequency transmitter ==> 特高频发射机
ultrahigh frequency triode ==> 超高频三极管
ultrahigh speed integration ==> 超高速集成电路
ultrahigh vacuum ==> 超高真空
ultrahigh vacuum evaporation ==> 超高真空蒸发
ultralarge scale integration ==> 超大规模集成化
ultralow backstreaming ==> 超低漏泄
ultralow noise microwave cryoelectronic system ==> 超低噪声微波低温电子学系统
ultrapure photoresist ==> 超高纯度光刻胶
ultrapure water ==> 超纯水
ultrashort laser pulse ==> 超短激光脉冲
ultrashort light pulse ==> 超短光脉冲
ultrashort wave transmitter ==> 超短波发射机
ultrashort waves ==> 超短波
ultrasonic bond ==> 超声焊接
ultrasonic bonder ==> 超声焊机
ultrasonic bonding ==> 超声焊接
ultrasonic cleaner ==> 超声清洗器
ultrasonic cleaning ==> 超声清洗
ultrasonic etcher ==> 超声腐蚀装置
ultrasonic frequency ==> 超音频
ultrasonic frequency generator ==> 超声发生器
ultrasonic generator ==> 超声波发生器,超声发生器
ultrasonic holography ==> 超声全息照相术
ultrasonic motor ==> 超声马达
ultrasonic negative-ion generator ==> 超声波负离子发生器,超声负离子发生器
ultrasonic probe ==> 超声波探针
ultrasonic seal ==> 超声封接
ultrasonic soldering ==> 超声焊
ultrasonic vapor degreaser ==> 超声蒸汽去油机
ultrasonic vibration generator ==> 超声波振荡器
ultrasonic wave ==> 超声波
ultrasonic wedge bonding ==> 超声楔焊
ultrasonic welder ==> 超声焊接机
ultrasonic welding ==> 超声焊接
ultrasonic wire bonding ==> 超声波线焊
ultrasonics ==> 超声学
ultrasound ==> 超声
ultrasound delay line ==> 超声延迟线
ultrathin membrane ==> 超薄膜
ultratrace impurity ==> 超痕量杂质
ultraudion ==> 超三极管
ultraviolet exposure ==> 紫外线曝光
ultraviolet filter ==> 紫外线滤光器
ultraviolet laser ==> 紫外激光器
ultraviolet lithography ==> 紫外线光刻
ultraviolet ozone cleaning ==> 紫外线臭氧清洗
ultraviolet projection system ==> 紫外投影装置
ultraviolet radiation ==> 紫外线
ultraviolet resist ==> 紫外线敏感光刻胶
ultraviolet spectral range ==> 紫外光谱范围
ultraviolet spectrum ==> 紫外光谱
ultraviolet sterilizer ==> 紫外线杀菌器
ultraviolet transparency ==> 紫外透迷
umbrella antenna ==> 伞形天线
umbrella-type generator ==> 伞式水轮发电机
un-uniform pollution ==> 不均匀污秽
unattended processing ==> 无人处理
unattended system ==> 无人监视系统
unbalance ==> 不平衡
unblanking circuit ==> 正程增辉电路
uncased ==> 未罩外壳的
uncased component ==> 无封装元件
uncertain region ==> 不确定范围,不可辨区
uncertainty of measurement ==> 测量的不确定度
uncertainty of principle ==> 测不准原理
uncertainty of range ==> 不确定范围
uncertainty of relation ==> 不定关系
uncharacteristic harmonics ==> 非特征谐波
uncharged ==> 不带电荷的
unclad optical fiber ==> 无包壳光纤
uncollimated rays ==> 非准直光束
uncompensated ==> 无补偿的
uncompensated amplifier ==> 无补偿放大器
uncompensated attenuator ==> 未补偿衰减器
uncompensated flowmeter ==> 无补偿流量计
uncompensated germanium ==> 未补偿的锗
unconditional ==> 无条件的
unconditional branch ==> 无条件
unconditional jump ==> 无条件转移
unconditional-jump instruction ==> 无条件转移指令
unconditional probability ==> 无条件概率
unconditional stability criterion ==> 无条件稳定判据
unconditional transfer ==> 无条件转移
unconditional transfer instruction ==> 无条件转移命令
unconditionally stable ==> 无条件稳定的
unconditioned complex reflex ==> 非条件复合反射
unconnected gate ==> 独立门
uncontrollable diesel generator set ==> 不可控柴油发电机组
uncontrolled multivibrator ==> 非稳态多谐振荡器
uncooled motor ==> 非冷却式发动机
uncooled photodetector ==> 非冷却光电探测器
uncoupled lightguides ==> 非耦合光波导
uncoupled mode ==> 非耦合模式
undamped frequency ==> 无阻尼频率
undamped natural frequency of a mechanical system ==> 无阻尼固有频率
undamped wave ==> 无衰耗波
under-voltage relay ==> 低电压继电器
underbunching ==> 群聚不足
undercoat ==> 底层
undercompensated integral control ==> 欠补偿的积分控制
undercompound generator ==> 欠复励发电机
undercooling ==> 过冷
undercut ==> 坡口,钻蚀
undercut profile ==> 钻蚀断面图
underdevelopment ==> 显影不足
underetch ==> 钻蚀
underexcited compound generator ==> 欠复激发电机
underexcited motor ==> 欠励电动机
underflow ==> 地流,潜流,下溢
underfrequency relay ==> 低频继电器
underground antenna ==> 地下天线
underground cable ==> 地下电缆
underlayer ==> 底层
undershoot ==> 负尖峰
undervoltage blocking circuit ==> 低电压闭锁回路
underwater antenna ==> 水下天线
underwater television ==> 水下电视
underwater visibility ==> 水下可见度
undesired frequency ==> 寄生频率
undistorted image ==> 无失真图象
undistorted picture ==> 无失真图象
undistorted wave ==> 无失真波
undoped region ==> 无掺杂区
undulater ==> 波绞机
undulating light ==> 脉动光
undulation effect ==> 波动效应
undulator ==> 波纹机
undulatory motion ==> 波动
unequal oscillation frequency ==> 不等振荡频率
uneven surface ==> 粗糙表面
unevenness ==> 粗糙度
unexcited level ==> 未激能级
unfilled level ==> 未满能级
unfired steam generator ==> 非燃式蒸汽发生器
unflatness ==> 非平滑性
uniaxial anisotropy ==> 单轴各向异性
unidirectional aerial ==> 单向天线
unidirectional antenna ==> 单向天线
unidirectional microphone ==> 单向传声器
unidirectional pulse ==> 单向脉冲
unidirectional pulses ==> 单向脉冲
unidirectional transmission ==> 单向传输
uniform irradiation ==> 均匀辐照
uniform lightguide ==> 均匀光波导
uniform motion ==> 等速运动规律
uniform waveguide ==> 均匀波导
uniformity ==> 均匀性
uniformity of illumination ==> 照鸣匀度
unijunction transistor ==> 单结型晶体管
unilateral matching ==> 单向匹配
unilateral optical track record ==> 单向光学轨道记录
unilayer ==> 单层
unimodal laser ==> 单模激光器
unimolecular film ==> 单分子膜
unimolecular layer ==> 单分子层
unintelligibility ==> 不清晰度
union ==> 活接头,管节
unipolar fet ==> 单极场效应晶体管
unipolar generator ==> 单极发电机
unipolar integrated circuit ==> 单极型集成电路
unipolar technology ==> 单极工艺
unipolar transistor ==> 单极晶体管
uniray ==> 通用阵列
unit ==> 单位
unit automatic exchange ==> 内部自动电话交换机
unit call ==> 通话单位
unit cell ==> 单元
unit control ==> 单元控制
unit Faraday tube ==> 单位法拉第管
unit price of standard coal ==> 标准煤单价
unit pulse signal ==> 单位脉冲信号
unitary body ==> 单块衬底
unity magnification projection unit ==> 单位放大投影曝光装置
univac standard communications subsystem ==> 尤尼法克标准通信分系统
universal array ==> 通用阵列
universal battery system ==> 共电制
universal frequency ==> 通用频率
universal function generator ==> 通用函数发生器
universal logic gate ==> 通用逻辑门
universal motor ==> 通用电动机,交直流两用电动机
universal receiver ==> 交直两用接收机
universal standard data ==> 通用定额资料
universal synchronous asynchronous receiver transmitter ==>
通用同步异步收发机
universal transmission function ==> 通用透射函数
unleash ==> 发挥,放开,解开...的皮带,解除...的束缚,解放,释放
unload ==> 放电
unload cassette ==> 卸载盒
unloadding spout vent fan ==> 卸料口通风风机
unloaded antenna ==> 无负载天线
unloaded pcb ==> 无载印制电路板
unloading valve ==> 卸载阀
unmasked region ==> 无掩蔽区
unmodulated carrier ==> 未调制载波
unmodulated light ==> 未调制光
unpackaged chip ==> 未封装芯片
unpolarized light ==> 非偏振光
unpolarized luminescence ==> 非偏振发光
unpolarized wave ==> 非偏振波
unpopulated pcb ==> 无载印制电路板
unreliability of standard deviation ==> 标准差的不可靠性
unrestorable system ==> 一次使用系统
unsaturated gain ==> 不饱和增益
unsaturated standard cell ==> 不饱和标准电池,未饱和标准电池
unsharp spectral line ==> 模糊谱线
unsoldering ==> 焊开
unstable blocking oscillator ==> 不稳定间歇振荡器
unstable cavity ==> 不稳定谐振器
unstable circuit ==> 非稳定电路
unstable equilibrium ==> 不稳定平衡
unstable resonator ==> 不稳定谐振器
unsteady system ==> 不稳定系统
unsupported ribbon growth ==> 无支护带式晶体生长
unsystematic ==> 无系统的
unsystematic engineering ==> 无系统工程
untriggered spark gap ==> 非触发式火花隙
untrimmed accuracy ==> 未调节精度
untuned aerial ==> 未调谐天线
untuned antenna ==> 未调谐天线
up converter ==> 向上变换器,向上变频器,增频变频器
up diffusion ==> 再扩散
up integration ==> 提高集成度
up to standard ==> 合乎标准的
upconversion ==> 增频变频
upconverter ==> 上变频器,增频变频器
update ==> 更新,刷新
update information ==> 更新信息
updated version ==> 更新方案
upper and lower limits ==> 上下限
upper cut-off frequency ==> 上限截止频率,通带上限
upper frequency ==> 上频率
upper half-power frequency ==> 半功率频率上限
upper harmonics ==> 高次谐波
upper integral ==> 上积分,上限积分
upper laser level ==> 上限激光电平
upper level lifetime ==> 上能级寿命
upper limiting frequency ==> 上限频率
upper motor neurone ==> 上位运动神经元
upper side frequency ==> 上边频
upper sideband ==> 上边带
uproar ==> 喧嚣,大声吵闹,骚动
upstream shift ==> 逆向位移
upw ==> 超纯水
upward continuation integral ==> 向上延续法
uranium ==> 铀
uranium assay ==> 铀含量
uranium carbide ==> 碳化铀
uranium complex ==> 铀络合物
uranium concentrate ==> 铀精矿
uranium conversion plant ==> 铀转化厂
uranium cycle ==> 铀循环
uranium deuterium lattice ==> 铀重水栅格
uranium dioxide ==> 二氧化铀
uranium dioxide pellet ==> 二氧化碳铀芯块
urano-organic complex ==> 铀矿有机体络合物
uranyl tricarbonate complex ==> 三碳酸铀酰络合物
uraser ==> 紫外激光器
urban and rural power supply and distribution network ==>
城乡供配电电网
urban distribution network configuration ==> 城市电网网架结构
urban railway system ==> 城市轨道交通
urea complex ==> 尿素络合物
urea complex method ==> 尿素配位法
urgent call ==> 加急电活
urgent need equipment ==> 急需设备
urgent telegram ==> 紧急电报
urgtented need equipment ==> 急需设备
uronic complex ==> 糖醛复合物
usable sensitivity ==> 可用灵敏度
usart ==> 通用同步异步收发机
useful power ==> 有效功率
user ==> 用户
user programmable logic ==> 用户可编程序逻辑
UT ultrasonic testing ==> 超声波探伤
utility model patent ==> 实用模型专利
utilization factor ==> 利用率
UTS ultimate tensible strength ==> 极限抗拉强度
uv ==> 紫外线
uv degradation ==> 紫外线退化
uv detector ==> 紫外检测器
uv emulsion ==> 紫外线光敏乳胶
uv photoemission spectroscopy ==> 紫外线光电发射光谱学
uv projection printing ==> 紫外线投影曝光
uv proximity printer ==> 紫外线接近式曝光装置
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