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。
• A small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback.
  带有真空管正极并连接栅格以提供反馈的一系列小线圈。
• Abstract: new ideas, new structures and new technologies have been used for the design, manufacture and installment of wiggler in order to achieve the coincidence of the central level planes of magnets and beam vacuum tube.
  文摘：采用新思想、新结构、新工艺设计和加工超导扭摆磁铁，并在安装过程中确保磁体的准直，实现了磁体的磁中心水平面与束流真空管的中心水平面的重合。
• 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。
• 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。
• Diangong solar vacuum tube heat collector.
  电工太阳能真空管集热器。
• 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。
• Design of High Fidelity Headphone Amplifier Based on Vacuum Tube WCF Circuit
  基于电子管WCF电路的高保真耳机放大器设计
• The Impact of the Dust on the Solar Vacuum Tube Collector Performance
  灰尘对太阳能真空集热管性能的影响
• 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。