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.

互联网

A specific vacuum tube which converts light into electrical energy.

把光转换成电能的一种真空管.

互联网

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.

互联网

Heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion.

重金属吉他手使用真空管放大器造成严重失音.

互联网

Or to reduce cost, bassoon span of purpose, reduce vacuum tube amount.

或者为了降低成本, 有意增大管间距, 减少真空管数量.

互联网

Lee de Forest invents the vacuum tube.

李.德福雷斯特发明电子管.

互联网

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.

互联网

The glass vacuum tube doesn't contact water and the whole system should bear pressure.

玻璃真空管不接触水,其整个系统能承受压力.

互联网