| 1. | For this reason new valves were developed .
为此，研制了新的电子管。 |
| 2. | In a radio tube there is a source of electrons .
在电子管中，有一个电子发射源。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | The television receiver contain a very special sort of electron tube, called a "cathode-ray" tube .
电视接收机有一个非常特殊的电子管，称为阴极射线管。 |
| 7. | 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。 |
| 8. | Additional noise contributions are due to the statistical fluctuations of the processes in the valves and transistors .
其他噪声的产生来自电子管和晶体管中电过程的统计起伏。 |
| 9. | To achieve the high impedance required specially designed "electrometer" vacuum tubes, field effect transistor must be used in the input stage .
为适应高阻抗需要，仪器输入电路中须用特殊设计的静电计专用电子管、场效应晶体管。 |
| 10. | Detail specification for disk - seal tube of type fm24
电子管fm24型盘封管详细规范 |
