电子管的英文：
radio tube; vacuum tube
- Hollow cathode lamp
空心阴极电子管 - An electron tube with a photosensitive cathode.
光电管具有感光的阴极电子管 - The transmitter was pulsed by an electron tube.
电子管使发射器产生脉冲波。 - UHF electronstatic control tube
静电控制超高频电子管(栅控管) - 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。 - 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。 - Electronics, on the other hand, deals with the movement of free electrons in a vacuum or in semiconductors.
而另一方面电子学则论述自由电子在电子管或半导体里流动的情况。 - 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 - Small size and low power consumption are the two important factors that make transistors preferable to electron tubes.
体积小和消耗功率低，这两个重要因素使晶体管比电子管优越。 - The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939
晶体检波器不久即被热电子管所代替，到1939年已大部分变成了废物。
n. 收音机；无线电广播台
v. 用无线电发送
- radio broadcasttransmitting statio
无线电广播发射台 - Send a message by radio
用无线电发送讯息；发报 - Radio station is off the air.
广播之声停止了广播。
n. 管子；软管；内胎；地铁；电视
v.把…装管；把…弄成管状；用管输送；乘地铁；不及格
- The tubes are individually connected in order to the tubes of a multiple manometer
这些总压管依次分别连接到一个多管压力计的各个管子上。 - darcy impact pressure tube
达喂力管 - inner core tube
内倒望远镜
n. 真空；空白；空虚；真空吸尘器
v. 用真空吸尘器清扫
- Is there a vacuum cleaner?
有真空吸尘器吗？ - Some people are living in a vacuum.
有些人过着与世隔绝的生活。 - clean(sth)with a vacuum cleaner
用真空吸尘器清扫（某物）