在半导体收音机中晶体管代替了真空管。
In semiconductor receivers transistors take the place of vacuum tubes.
盘表控制进入真空管空气流量。
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
控制板打开真空管，将钻井泥浆泵入油井。
The control pod will open the valves that allow the drilling mud to be forced into the well.
产生X线的机器到现在还是完全依靠真空管。
The machines used to generate them still rely resolutely on vacuum tubes.
真空管整流器具有如下的特性。
在晶体管发明前，计算机采用真空管作为逻辑原件。
There were computers before the transistor; they used vacuum tubes as logic elements.
电工太阳能真空管集热器。
由于尺寸小，重量轻，晶体管优于真空管。
Being small and light makes transistors more advantageous to vacuum tubes.
真空管温度高、体积庞大、脆弱且寿命短暂。
勃兹曼站在脚凳上，正在用真空管清理其中的一个水族馆箱。
Bozeman was up on a footstool, cleaning one of the aquariums with a vacuum tube.
这些硅晶开关比用于早期电路的真空管要小得多。
These silicon switches were much smaller than the vacuum tubes used in early circuitry.
真空管道运输的可行性已经得到国内外专家的论证。
The feasibility of ETT (Evacuated Tube Transportation)has been verified by foreign and domestic experts.
带著访客参观他的收藏，玻门拿出一个珍贵的真空管。
Showing a group of guests around his collection, Burman takes out one of his prized valves.
他讲，“最后，白炽灯会进博物馆，就像电子学的真空管那样。”
"Ultimately, incandescent light bulbs will end up in a museum, just like vacuum tubes did for electronics," he says.
根据公司的消息，真空管将不会被砷化镓晶体管取代。
According to the company, the large and heavy vacuum tube-based traveling wave tube amplifiers cannot be effectively replaced by GaAs transistors because they a much lower breakdown voltage.
或者为了降低成本，有意增大管间距，减少真空管数量。
Or to reduce cost, bassoon span of purpose, reduce vacuum tube amount.
采用全新干涉镀膜工艺，比普通渐变膜真空管集热性能更好。
Interference with a new coating process, than the average gradient film better performance vacuum tube collector.
握著手机，玻门说这都要感谢真空管，让电器运作了百年之久。
Holding a mobile phone, Burman says thanks to the valves, this is how electronics all started over a hundred years ago.
通过实验，还分别测定了单根真空管和真空管集热器的瞬时效率曲线。
Instantaneous efficiency curves for both single evacuated tube and complete evacuated tubular collector are also tested.
当初强韧可靠的晶体管取代了脆弱不稳的真空管，为电子元件带来了飞跃性的进步。
ELECTRONICS made a huge leap forward when the delicate and temperamental vacuum tube was replaced by the robust, reliable transistor.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
起初它被发明出来用于无线电信号的放大，这让你能够用晶体管收音机取代真空管收音机。
It was first developed to amplify radio signals, and you had transistor radios that replaced the vacuum tubes that were being used.
加热和充电的结合释放出电子， 电子通过真空管加速撞击到对面充满正电的电极上。
The combination of heat and charge releases electrons, which accelerate through the tube and strike a positively charged electrode at the other end.
旧汽车，车载计较机创造前地工具，都能够正常运用，任何旧地真空管为根底地手艺。
Older cars, the models made before onboard computers became standard, will work just fine, as will any old vacuum tube based technology.
在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！
In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater!
它是一款非常小巧的真空管，形状和大小如浴缸塞，内含一个柱塞和弹簧，由两个小型空气软管连接。
It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.
它是一款非常小巧的真空管，形状和大小如浴缸塞，内含一个柱塞和弹簧，由两个小型空气软管连接。
It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.
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