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

• They couldn't shrink the vacuum tube any more and keep the vacuum.
  他们再也无法缩小真空管，并使它保持真空。
• Vacuum tube solar heating element
  真空管太阳能加热元件
• The ancestor of these miniature electronic devices is the vacuum tube.
  这些微型电子装置的鼻祖就是真空管。
• 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；
• 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。
• On each visit, a special vacuum tube created blister wounds on their arms that were monitored for healing.
  在每一个疗程中，都会在他们的手臂上用电子管制造一些水泡，并观测这些水泡的愈合情况。
• An electron tube is generally used for amplification, and vacuum tube is another term for this device.
  电子管通常用来放大，而真空管则是电子管的另一名称。
• Battery used to maintain the grid potential in a vacuum tube.
  能够保持潜藏在真空管内的栅格的电池。
• 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。
• 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。