查询词典 audible frequency range

radio frequency spectrum：无线电频谱

Radio Frequency Registration Board 无线电频率登记委员会 | radio frequency spectrum 无线电频谱 | radio frequency system 射频系统

radio frequency spectrum：射频频谱

radio-frequency spectroscopy 射频波谱学,射频谱学 | radio-frequency spectrum 射频频谱 | radio frequency sputtering 射频溅射

low-frequency radio telescope：低频射电望远镜

low-frequency pulp screen 低频筛浆机 | low-frequency radio telescope 低频射电望远镜 | low-frequency recording and reproducing head 低频记录重放磁头

radio-frequency accelerator：高频加速器

fadio-frequency 射频,无线电频率 | radio-frequency accelerator 高频加速器 | radio-frequency pacemaker 射频起搏器(心)

radio-frequency accelerator：射频加速器

radio frequency 无线电频率 | radio frequency accelerator 射频加速器 | radio frequency amplifier 射频放大器

radio-frequency pacemaker：射频心脏起搏器

radio frequency oscillator 射频振荡器,高频振荡器 | radio frequency pacemaker 射频心脏起搏器 | radio frequency preheating 射频抑制器,高频抑制器

radio-frequency drying：射频烘燥

radio-frequency drive 射频激发 | radio-frequency drying 射频烘燥 | radio-frequency electrode 射频电极

radio-frequency signal：射频信号

radio frequency sideband equalizer 射频边带均衡器 | radio-frequency signal 射频信号 | radio-frequency signal generator 射频发生器,射频信号发生器

radio-frequency signal：射频讯号

radio frequency 射频(无线传输) | radio frequency signal 射频讯号 | radio frequency surace acoustic wave filter 射频表面声波滤波器:

Relative frequency distribution：相对次数分配(布)

Relative frequency density 相对次数密度 | Relative frequency distribution 相对次数分配(布) | Relative frequency scale 相对次数标度

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵