(完整版)机械工程学专业词汇英语翻译(U)

1、u tube manometer u 形管压力计ultimate bearing capacity极限承载力ultimate elongation极限伸长ultimate load临界载荷ultimate modulus极限模量ultimate pressure 极限压力ultimate strength 强度极限ultimate stress 极限应力ultimate tensile strength抗张强度ultimate vacuum极度真空ultra high speed 超高速ultracentrifuge超速离心机ultragravity wave超重力波ultraharmonic

2、超谐的ultraharmonic oscillation超谐振荡ultraharmonic resonance 超谐共振ultrahigh pressure 超高压ultrasonic 超声的ultrasonic centrifuge超声离心机ultrasonic current超声流ultrasonic energy 超声能量ultrasonic flaw detector超声探伤仪ultrasonic frequency超声频率ultrasonic inspection超声波探伤法ultrasonic spectrum 超声频谱ultrasonic velocity超声速ultrasoni

3、c vibration超声波振动ultrasonic vibrator超声振子ultrasound velocity超声速ultrasound wave 超声波ultraspeed 超速的ultrastability超稳定性unbalance 不平衡unbalance attenuation 不平衡衰减unbalance error 不平衡误差unbalance response 不平衡响应unbalance tolerance 不平衡性公差unbalance vector 不平衡性矢量unbalanced 失衡的unbalanced force 不平衡力unbalanced load 不平衡

4、载荷unbalanced moment 不平衡弯矩unconstrained system 无约束系undamped frequency 无阻尼频率undamped oscillation无阻尼振荡undamped wave 无阻尼波undercurrent 底流下层流underdamping 欠阻尼underflow地下水流底流underflow speed 地下水临度underground current 地下流underground explosion地下爆炸underground water 地下水underground water flow地下水怜underload 欠载underp

5、ressure 压力不足undershoot 下冲undershot water wheel 下冲式水轮underswing 下冲undertow 下层逆流underwashing 下洗underwater bed 下游河床underwater blasting 水下碎裂underwater explosion水中爆炸underwater trajectories水下弹道undetermined 未定的undirected flow非定向流undistorted plane 未畸变平面undistorted wave 无畸变波undulating 波状的undulating flow波动流un

6、dulation 波动undulatory 波状的undulatory flow波动流undulatory motion波荡运动unequal strain 非均匀应变unequal stress 非均匀应力unexcited 未激发的uniaxial stress 线应力uniaxial stressed state 单向应力状态unidirectional composite material单向复合材料unidirectional compression单向压缩unidirectional elongation单向伸长unidirectional movement单向运动unidirec

7、tional point source单向点源unidirectional stress单向应力uniform acceleration均匀加速度uniform beam均匀梁uniform circular motion等速圆周运动uniform continuity均匀连续性uniform distributed load均布载荷uniform distribution均匀分布uniform field均匀场uniform flow均匀流uniform force field均匀力场uniform light均匀光uniform liquid均匀液体uniform load均布载荷unif

8、orm motion匀速运动uniform motion in a straight line匀速直线运动uniform rotation匀速转动uniform shear 匀切变uniform stability一致稳定性uniform velocity等速度uniformity均匀性uniformity coefficient均匀性系数uniformly accelerated motion匀加速运动unilateral constraint单侧约束unilateral transducer 单向传感器unit 单位unit area 单位面积unit discharge 单位量unit

9、displacement 单位位移unit elongation相对伸长unit load 单位载荷unit load method单位载荷法unit matrix单位矩阵unit of area 面积单位unit of force力的单位unit of mass 质量单位unit of time时间单位unit of volume体积单位unit of weight重量单位unit of work功的单位unit shortening相对缩短unit step response 单位阶跃响应unit strain 应变率unit strength 单位强度unit stress 单位应力un

10、it tensor 单位张量unit transformation单位变换unit vector单位矢量universal 普适的universal constant 普适常数universal equilibrium普适平衡universal gas constant 普遍气体常数universal gravitaion万有引力universal gravitational constant万有引力常数universal joint万能接头universal tensile testing machine万能拉力试验机universal testing machine万能试验机unknown

11、 未知的unlike 不等的unloaded weight无载重量unnotched specimen 无切口试样unperturbed motion非微扰运动unsaturation 不饱和性unsprung weight 弹簧下重量unstability不稳定性unstable 不稳定的unstable equilibrium不稳定平衡unstable equilibrium position不稳定平衡位置unstable frame 不稳定桁架unstable state 不稳定状态unstable stratification不稳定分层unstable truss 不稳定桁架unsta

12、ble wave 不稳定波unsteady flow非定常流unsteady liapunov function非定常李亚普诺夫函数unsteady motion 非稳定运动unsteady state 非稳定状态unstress state 无应力状态unstressed 无应力的unsupported length 跨距unsymmetrical top不对称陀螺up grade 上坡up stroke 上行冲程upcurrent 上升气流updraft 向上气流upglide motion上滑运动uplift扬压upper and lower bound上下界upper atmosphere 高层大气upper bound 上界upper chord 上弦upper critical point上临界点upper hemispherical flux上半球通量upper limit上限upper limit size最大极限尺寸upper surface of the airfoi