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

• 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。
• Sunlight energy is collected by glass vacuum tube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water.
  太阳光能量通过玻璃真空管采集，由金属超导热管传热至承压水箱内把水加热。
• 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。
• 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。
• 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。
• 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。
• Diangong solar vacuum tube heat collector.
  电工太阳能真空管集热器。
• 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 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；
• Vacuum tube solar heating element
  真空管太阳能加热元件