基于真空管技术，三极管提供了使用当前电流打开或关闭一个电路能力。
Built on vacuum tube technology, the triode provided the ability to turn an electrical circuit on or off using current flow.
对于计算机来说，繁多的数据是很难被处理的。但是，世界上第一台基于真空管技术的巨型计算机诞生于1946年。
The comparable dates for the computer are harder to tie down, but the first big computer, based on vacuum valves, was built in 1946.
Sandia公司的Simmons博士注意到，传统灯泡是最后一批还在使用真空管的装置，这项陈旧的技术在无线电和大多数电视上早就已经被取代了。
Conventional light bulbs are among the last devices that use vacuum tubes, an old technology that has long been replaced in radios and most televisions, notes Sandia's Dr Simmons.
即便当库兹韦尔将历史向后延伸至晶体管计算技术还未出现的上世纪初——即使用继电器和真空管的几十年间时，曲线依然表现出令人惊异的稳定性。
The curves held eerily steady, even when Kurzweil extended his backward through the decades of pretransistor computing technologies like relays and vacuum tubes, all the way back to 1900.
在最近更新的博客中 ，IBM首席技术官MarkDean认为，个人电脑“正在步入真空管、打字机、黑胶片、阴极射线管(CRT)和白炽灯的后尘 。”
In a recent blog post, IBM CTO Mark Dean opined that personal computers are “going the way of the vacuum tube, typewriter, vinyl records, CRT and incandescent light bulbs.”
贝尔实验室的三位科学家发明了这项速度快、体积小、更加可靠，并且比真空管大大节能的新技术。
Three Bell Laboratories scientists invented this device, which was faster, smaller, more reliable and consumed less energy than vacuum-tube technology.
强烈的离子和电子梁对待在真空管，粒子束技术和实验装备，例如自由电子激光和加速器里使用的强烈的充电粒子束。
Intense ion and electron beams treats intense charged-particle beams used in vacuum tubes, particle beam technology and experimental installations such as free electron lasers and accelerators.
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。
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.
贝尔实验室的三位科学家发明了这项速度快、体积小、更加可靠，并且比真空管大大节能的新技术。
Three bell laboratories scientists invented this device, which was faster, smaller, more reliable and consumed less energy than vacuum - tube technology.
研究了粪便与厨余垃圾的源头真空管道收集及现场生物处理技术，根据系统工艺设计方案进行了分单元的小试。
The biological treatment technique of collection at source and disposition on-site of night soil and kitchen garbage were presented.
本文论述了在热泵技术中应用真空管集热器的优越性，以及集热器的性能分析。
This paper presents the advantage and the characteristics of the evacuated tubular solar collector.
本文论述了在热泵技术中应用真空管集热器的优越性，以及集热器的性能分析。
This paper presents the advantage and the characteristics of the evacuated tubular solar collector.
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