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- ultrahigh frequency tetrode 超高频四极管
- An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation. 速调管一种用速度调节的方法放大或产生超高频率的电子管
- Abstract: Electronic ballast with ultrahigh frequency （UHF） can avoid the intrinsic problem of acoustic resonance of HID lamps. 摘 要: 采用超高频电子镇流器能有效克服高强度气体放电灯所固有的声谐振问题。
- This paper presents that developing ultrahigh frequency pulse EDM generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD具有完全硬件逻辑的特点出发,提出了用CPLD发生占空比可调的超高频电火花加工脉冲信号的设想。
- Also developing ultrahigh frequency pulse celectro-discharge machining(EDM) generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD完全硬件逻辑的特点出发,使用CPLD发生占空比可调的超高频EDM脉冲信号。
- television transmitter of ultrahigh frequency 分米波（UHF）电视发射机
- ultrahigh frequency radio engineering 特高频无线电工程学
- ultrahigh frequency direction finding 特高频测向
- ultrahigh frequency cathode ray tube 特高频电子束管
- ultrahigh frequency superconducting magnetometer 超高频超导磁强计
- The Research on the Method for Measuring Ultrahigh Frequency 特高频率测量新技术的研究
- New method of fabricating ultrahigh frequency grating 一种制作超高频全息光栅的新方法
- Research on Technology for Measuring Ultrahigh Frequency 关于超高频率测量技术的研究
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Design of Digital and Intelligent Ultrahigh Frequency Millivolt Meter 数字式智能超高频毫伏表的设计
- Developing Ultrahigh Frequency Pulse EDM Generator of Adjustable Duty Ratio 占空比可调的超高频电火花加工脉冲电源的研制
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
