vacuum tube

英 [ˈvækjuːm tjuːb]

美 [ˈvækjuːm tuːb]

n.  真空管

化学

英英释义

noun

• electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
  Synonym:tubethermionic vacuum tubethermionic tubeelectron tubethermionic valve

双语例句

• A vacuum tube that amplifies a flow of electrons.
  能够增强电子流量的真空管。
• Cathode-ray tube ( CRT): Vacuum tube that produces images when its phosphorescent surface is struck by electron Beams.
  阴极射线管：一种真空管，当电子束打在其磷光表面会产生影像。
• The experimental results show: the instantaneous efficiency of vacuum tube collector is concave;
  实验结果表明：真空管集热器瞬时效率呈凹形；
• A computer utilizing vacuum tube components.
  一种使用真空管器件的计算机。
• The vacuum tube has natural tracing ability against sunlight and it can work when sunlight exists.
  真空管对太阳光具有自然跟踪的能力，只要有太阳光辅射，真空管就可工作；
• Shockley, it displaced the vacuum tube in many applications.
  晶体管在许多用途上已取代了真空管。
• I think this was a vacuum tube system where there is no drag.
  我认为这是一个真空集热管系统，其中有没有阻力。
• John Ambrose Fleming invents the vacuum tube.
  1904年的今天，约翰·安布鲁斯·弗莱明发明了真空管。
• The main products of BCQ include Brake tube, Fuel tube and Boosting vacuum tube, etc.
  公司目前的主要产品包括制动管，燃油管和调压真空管等。
• Vacuum tube amplifiers used the first time in coast-to-coast telco circuits.
  真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。