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 specific vacuum tube which converts light into electrical energy.
  把光转换成电能的一种真空管。
• 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。
• 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。
• 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；
• 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。
• 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。
• 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。
• Currently the most frequently used solar energy collection devices are mainly flat-plate collector and vacuum tube collector.
  目前使用最多的太阳能收集装置主要有平板型集热器，真空管集热器两种。
• Battery for supplying a constant positive voltage to the plate of a vacuum tube.
  能够产生真空管金属板稳定负电压的电池。
• 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。