vacuum tube
英 [ˈvækjuːm tjuːb]
美 [ˈvækjuːm tuːb]
n. 真空管
英英释义
noun
- electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
双语例句
- 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。 - 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。 - 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。 - 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。 - 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。 - The utility model is a superconducting device of self heat source of oil well avoiding wax and reducing viscosity, and belongs to novel field of heat transfer technology of vacuum tube.
本实用新型为一种油井自热源超导防蜡降粘装置，属真空管传热技术新领域。 - 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。 - Diangong solar vacuum tube heat collector.
电工太阳能真空管集热器。 - 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；