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- to degas an electron tube 给电子管除气
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- An electron tube or a vacuum tube. 电子管或真空管。
- An electron tube with a photosensitive cathode. 光电管具有感光的阴极电子管
- An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation. 速调管一种用速度调节的方法放大或产生超高频率的电子管
- A network or coil of fine wires located between the plate and the filament in an electron tube. 栅极在电子管中线极和阳极之间的由导电性很好的电线组成的网络或线圈
- A positively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube. 阳极，正极电解电池、蓄电池或电子管的正电电极
- A negatively charged electrode,as of an electrolytic cell,a storage battery,or an electron tube. 阴极负电极，如电池、蓄电池或电子管的负极
- A positively charged electrode,as of an electrolytic cell,a storage battery,or an electron tube. 阳极，正极电解电池、蓄电池或电子管的正电电极
- A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube. 阴极负电极，如电池、蓄电池或电子管的负极
- An electrode in an electron tube that collects electrons which have finished carrying current. 集流器电子管中收集已完成电流循环电子的电极
- Attempts to split an electron always fail. 企图分裂电子的尝试总是失败的。
- The anode in an electron tube. 阳极电子管中的阳极
- To vary(electron velocity) in an electron beam. 调制在一个电子束中改变（电子速率）
- Helen became an electronic engineer. 海伦成了一名电子工程师。
- a transmitter pulsed by an electron tube 通过电子管产生脉冲的发射管
- Besides, it's faster to send an electronic card. 要点:电子贺卡传递速度快。
- an electron tube having a cathode and an anode 有一个阳极和一个阴极的电子管
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
