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
- 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。 - A specific vacuum tube which converts light into electrical energy.
把光转换成电能的一种真空管。 - 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。 - 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。 - Diode: A semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.
二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。 - 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。 - 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。 - 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。