1. U-bolt ==> U形螺丝

2. u shape hanger chains ==> u形曲链片吊挂装置

3. u shaped manometer ==> u形压力计

4. ubitron ==> 波动射束注入器

5. uhf ==> 特高频

6. uhf band pass filter ==> 特高频带通滤波器

7. uhf converter ==> 特高频变频器

8. uhf preamplifier stage ==> 特高频前置放大器

9. uhf tuner ==> 特高频调谐器

10. uhf vision transmitter ==> 特高频图象发射机

11. uhsi ==> 超高速集成电路

12. UHV ==> 超高真空,特高压

13. UHV AC system ==> 特高压交流电力系统

14. UHV AC system planning ==> 特高压交流电力系统规划

15. UHV AC transmission line ==> 特高压交流输电线路

16. UHV DC control and protection system ==> 特高压直流电力系统控制保护装置

17. UHV DC system ==> 特高压直流电力系统

18. UHV DC system planning ==> 特高压直流电力系统规划

19. UHV DC system technologies ==> 特高压直流电力系统技术

20. UHV DC transmission line ==> 特高压直流输电线路

21. UHV reactors ==> 特高压交流系统电抗器

22. UHV series compensation ==> 特高压交流系统变压器串补

23. UHV substation ==> 特高压变电站

24. UHV surge arresters ==> 特高压交流系统避雷器

25. UHV switchgears ==> 特高压交流系统开关

26. UHV transformers ==> 特高压变压器,特高压交流系统变压器

27. UHV transmission ==> 特高压输电

28. UHV transmission line ==> 特高压输电线路

29. UHV, Ultra high voltage ==> 特高压

30. UHVAC ==> 特高压交流系统

31. UHVDC ==> 特高压直流系统

32. ujt ==> 单结型晶体管

33. ULF, ultra low frequency ==> 超低频

34. ulg ==> 通用逻辑门

35. ulsi ==> 超大规模集成化

36. ultimate pressure ==> 极限压力

37. ultimate resolution ==> 极限分辨力

38. ultraaudion ==> 超三极管

39. ultrabroad band light modulator ==> 超宽频带光调制器

40. ultraclean area ==> 超净区域

41. ultrafilter ==> 超细过滤器

42. ultrafine geometry ==> 超精细几何形状

43. ultrafine resolution ==> 超精细分辨力

44. ultrahigh frequency ==> 特高频

45. ultrahigh speed integration ==> 超高速集成电路

46. ultrahigh vacuum ==> 超高真空

47. ultrahigh vacuum evaporation ==> 超高真空蒸发

48. ultralarge scale integration ==> 超大规模集成化

49. ultralow backstreaming ==> 超低漏泄

50. ultralow noise microwave cryoelectronic system ==> 超低噪声微波低温电子学系统

51. ultrapure photoresist ==> 超高纯度光刻胶

52. ultrapure water ==> 超纯水

53. ultrashort laser pulse ==> 超短激光脉冲

54. ultrashort light pulse ==> 超短光脉冲

55. ultrashort wave transmitter ==> 超短波发射机

56. ultrashort waves ==> 超短波

57. ultrasonic bond ==> 超声焊接

58. ultrasonic bonder ==> 超声焊机

59. ultrasonic bonding ==> 超声焊接

60. ultrasonic cleaner ==> 超声清洗器

61. ultrasonic cleaning ==> 超声清洗

62. ultrasonic etcher ==> 超声腐蚀装置

63. ultrasonic frequency ==> 超音频

64. ultrasonic holography ==> 超声全息照相术

65. ultrasonic probe ==> 超声波探针

66. ultrasonic seal ==> 超声封接

67. ultrasonic soldering ==> 超声焊

68. ultrasonic vapor degreaser ==> 超声蒸汽去油机

69. ultrasonic wave ==> 超声波

70. ultrasonic wedge bonding ==> 超声楔焊

71. ultrasonic welder ==> 超声焊接机

72. ultrasonic welding ==> 超声焊接

73. ultrasonic wire bonding ==> 超声波线焊

74. ultrasonics ==> 超声学

75. ultrasound ==> 超声

76. ultrasound delay line ==> 超声延迟线

77. ultrathin membrane ==> 超薄膜

78. ultratrace impurity ==> 超痕量杂质

79. ultraudion ==> 超三极管

80. ultraviolet exposure ==> 紫外线曝光

81. ultraviolet filter ==> 紫外线滤光器

82. ultraviolet laser ==> 紫外激光器

83. ultraviolet lithography ==> 紫外线光刻

84. ultraviolet ozone cleaning ==> 紫外线臭氧清洗

85. ultraviolet projection system ==> 紫外投影装置

86. ultraviolet radiation ==> 紫外线

87. ultraviolet resist ==> 紫外线敏感光刻胶

88. ultraviolet spectral range ==> 紫外光谱范围

89. ultraviolet spectrum ==> 紫外光谱

90. ultraviolet sterilizer ==> 紫外线杀菌器

91. ultraviolet transparency ==> 紫外透迷

92. umbrella antenna ==> 伞形天线

93. un-uniform pollution ==> 不均匀污秽

94. unattended processing ==> 无人处理

95. unattended system ==> 无人监视系统

96. unbalance ==> 不平衡

97. unblanking circuit ==> 正程增辉电路

98. uncased ==> 未罩外壳的

99. uncased component ==> 无封装元件

100. uncertain region ==> 不确定范围,不可辨区

101. uncertainty of measurement ==> 测量的不确定度

102. uncertainty of principle ==> 测不准原理

103. uncertainty of range ==> 不确定范围

104. uncertainty of relation ==> 不定关系

105. uncharacteristic harmonics ==> 非特征谐波

106. unclad optical fiber ==> 无包壳光纤

107. uncollimated rays ==> 非准直光束

108. uncompensated germanium ==> 未补偿的锗

109. unconnected gate ==> 独立门

110. uncontrolled multivibrator ==> 非稳态多谐振荡器

111. uncooled photodetector ==> 非冷却光电探测器

112. uncoupled lightguides ==> 非耦合光波导

113. uncoupled mode ==> 非耦合模式

114. undamped wave ==> 无衰耗波

115. underbunching ==> 群聚不足

116. undercoat ==> 底层

117. undercooling ==> 过冷

118. undercut ==> 坡口,钻蚀

119. undercut profile ==> 钻蚀断面图

120. underdevelopment ==> 显影不足

121. underetch ==> 钻蚀

122. underflow ==> 地流,潜流,下溢

123. underfrequency relay ==> 低频继电器

124. underground antenna ==> 地下天线

125. underground cable ==> 地下电缆

126. underlayer ==> 底层

127. undershoot ==> 负尖峰

128. undervoltage blocking circuit ==> 低电压闭锁回路

129. underwater antenna ==> 水下天线

130. underwater television ==> 水下电视

131. underwater visibility ==> 水下可见度

132. undistorted image ==> 无失真图象

133. undistorted picture ==> 无失真图象

134. undistorted wave ==> 无失真波

135. undoped region ==> 无掺杂区

136. undulater ==> 波绞机

137. undulating light ==> 脉动光

138. undulation effect ==> 波动效应

139. undulator ==> 波纹机

140. undulatory motion ==> 波动

141. uneven surface ==> 粗糙表面

142. unevenness ==> 粗糙度

143. unexcited level ==> 未激能级

144. unfilled level ==> 未满能级

145. unflatness ==> 非平滑性

146. uniaxial anisotropy ==> 单轴各向异性

147. unidirectional aerial ==> 单向天线

148. unidirectional antenna ==> 单向天线

149. unidirectional microphone ==> 单向传声器

150. unidirectional pulse ==> 单向脉冲

151. unidirectional pulses ==> 单向脉冲

152. unidirectional transmission ==> 单向传输

153. uniform irradiation ==> 均匀辐照

154. uniform lightguide ==> 均匀光波导

155. uniform motion ==> 等速运动规律

156. uniform waveguide ==> 均匀波导

157. uniformity ==> 均匀性

158. uniformity of illumination ==> 照鸣匀度

159. unijunction transistor ==> 单结型晶体管

160. unilateral matching ==> 单向匹配

161. unilateral optical track record ==> 单向光学轨道记录

162. unilayer ==> 单层

163. unimodal laser ==> 单模激光器

164. unimolecular film ==> 单分子膜

165. unimolecular layer ==> 单分子层

166. unintelligibility ==> 不清晰度

167. union ==> 活接头,管节

168. unipolar fet ==> 单极场效应晶体管

169. unipolar integrated circuit ==> 单极型集成电路

170. unipolar technology ==> 单极工艺

171. unipolar transistor ==> 单极晶体管

172. uniray ==> 通用阵列

173. unit ==> 单位

174. unit automatic exchange ==> 内部自动电话交换机

175. unit call ==> 通话单位

176. unit cell ==> 单元

177. unit control ==> 单元控制

178. unit pulse signal ==> 单位脉冲信号

179. unitary body ==> 单块衬底

180. unity magnification projection unit ==> 单位放大投影曝光装置

181. universal array ==> 通用阵列

182. universal battery system ==> 共电制

183. universal logic gate ==> 通用逻辑门

184. universal receiver ==> 交直两用接收机

185. universal synchronous asynchronous receiver transmitter ==> 通用同步异步收发机

186. universal transmission function ==> 通用透射函数

187. unleash ==> 发挥,放开,解开...的皮带,解除...的束缚,解放,释放

188. unload ==> 放电

189. unload cassette ==> 卸载盒

190. unloadding spout vent fan ==> 卸料口通风风机

191. unloaded antenna ==> 无负载天线

192. unloaded pcb ==> 无载印制电路板

193. unloading valve ==> 卸载阀

194. unmasked region ==> 无掩蔽区

195. unmodulated carrier ==> 未调制载波

196. unmodulated light ==> 未调制光

197. unpackaged chip ==> 未封装芯片

198. unpolarized light ==> 非偏振光

199. unpolarized luminescence ==> 非偏振发光

200. unpolarized wave ==> 非偏振波

201. unpopulated pcb ==> 无载印制电路板

202. unrestorable system ==> 一次使用系统

203. unsaturated gain ==> 不饱和增益

204. unsharp spectral line ==> 模糊谱线

205. unsoldering ==> 焊开

206. unstable blocking oscillator ==> 不稳定间歇振荡器

207. unstable cavity ==> 不稳定谐振器

208. unstable circuit ==> 非稳定电路

209. unstable equilibrium ==> 不稳定平衡

210. unstable resonator ==> 不稳定谐振器

211. unsteady system ==> 不稳定系统

212. unsupported ribbon growth ==> 无支护带式晶体生长

213. unsystematic ==> 无系统的

214. unsystematic engineering ==> 无系统工程

215. untriggered spark gap ==> 非触发式火花隙

216. untrimmed accuracy ==> 未调节精度

217. untuned aerial ==> 未调谐天线

218. untuned antenna ==> 未调谐天线

219. up converter ==> 向上变换器,向上变频器,增频变频器

220. up diffusion ==> 再扩散

221. up integration ==> 提高集成度

222. upconversion ==> 增频变频

223. upconverter ==> 上变频器,增频变频器

224. update ==> 更新,刷新

225. update information ==> 更新信息

226. updated version ==> 更新方案

227. upper and lower limits ==> 上下限

228. upper harmonics ==> 高次谐波

229. upper laser level ==> 上限激光电平

230. upper level lifetime ==> 上能级寿命

231. upper sideband ==> 上边带

232. uproar ==> 喧嚣,大声吵闹,骚动

233. upstream shift ==> 逆向位移

234. upw ==> 超纯水

235. uranium ==> 铀

236. uranium assay ==> 铀含量

237. uranium carbide ==> 碳化铀

238. uranium concentrate ==> 铀精矿

239. uranium conversion plant ==> 铀转化厂

240. uranium cycle ==> 铀循环

241. uranium deuterium lattice ==> 铀重水栅格

242. uranium dioxide ==> 二氧化铀

243. uranium dioxide pellet ==> 二氧化碳铀芯块

244. uraser ==> 紫外激光器

245. urban and rural power supply and distribution network ==> 城乡供配电电网

246. urban distribution network configuration ==> 城市电网网架结构

247. urban railway system ==> 城市轨道交通

248. urgent call ==> 加急电活

249. urgent need equipment ==> 急需设备

250. urgent telegram ==> 紧急电报

251. urgtented need equipment ==> 急需设备

252. usable sensitivity ==> 可用灵敏度

253. usart ==> 通用同步异步收发机

254. useful power ==> 有效功率

255. user ==> 用户

256. user programmable logic ==> 用户可编程序逻辑

257. UT ultrasonic testing ==> 超声波探伤

258. utilization factor ==> 利用率

259. UTS ultimate tensible strength ==> 极限抗拉强度

260. uv ==> 紫外线

261. uv degradation ==> 紫外线退化

262. uv detector ==> 紫外检测器

263. uv emulsion ==> 紫外线光敏乳胶

264. uv photoemission spectroscopy ==> 紫外线光电发射光谱学

265. uv projection printing ==> 紫外线投影曝光

266. uv proximity printer ==> 紫外线接近式曝光装置