The electronmagnetic wave is produced by microwave tubes called klystrons.

电磁波是由一种称为速调管的微波电子管产生的.

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These factories produce tubes, transistors, radio sets and TV sets.

这些工厂生产电子管 、 晶体管 、 收音机和电视机.

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These amplifiers have long been made with tiny election tubes.

这些放大器是用微型电子管制成的.

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A tube or a transistor can amplify an incoming signal.

电子管和晶体管能放大输入的信号.

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The transmitter was pulsed by an electron tube.

电子管使发射器产生脉冲波.

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The phototube, a very special type of electron tube, is the heart of the talking - picture projector.

光电管, 一种非常特殊的电子管, 是有声电影放映机的心脏.

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A crystal receiver is a less complicated structure than valve receiver.

晶体收音机的结构不像电子管收音机那么复杂.

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As the voltage was abruptly trebled the valves burnt.

由于高压突然增加了两倍,电子管全烧坏了.

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The octal tube socket is surface mounted to the breadboard.

电子管插座是安装在底板上的面板式插座.

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A high - resistance wire or ribbon forming the cathode in some thermionic tubes.

丝极在一些电子管中形成阴极的高电阻的金属丝或金属带.

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A tube or circuit designed to amplify both voltage and current.

为放大电压和电流两者而设计的一种电子管或电路.

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To pull out the stops of ( a pipe organ ) .

一种仿真的电子管 风琴.

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They are compatible with Woodward governing systems and speed switches.

他们是兼容与伍德沃德电子管系统和高速开关.

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Lee de Forest invents the vacuum tube.

李.德福雷斯特发明电子管.

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So, the electric tubes were predicted to extinct.

所以, 电子管被认为将绝迹.

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