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- 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
- special electron tube 特种电子管
- An electron tube or a vacuum tube. 电子管或真空管。
- The second electron tube is out of order. 第二个电子管坏了.
- An electron tube with a photosensitive cathode. 光电管具有感光的阴极电子管
- specialized electronic tube parameter measuring equipment 电子管参数专用测量设备
- 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。
- 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。
- Out of the electronic tube has come one particularly tough little war baby. 从电子管中产生出一门格外强劲而短暂的战时工业。
- The televis 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。
- All sounds travel to our ears in about the same way and come to us in waves that can be seen only with special electronic equipment. 所有的声音都以大约相同的方式传到我们的耳朵,传给我们的声波只能用特殊的电子设备才能显现。
- A highly evacuated electron tube containing an anode, a cathode, and a control grid. 三极管带有阳极、阴极和控制栅极的高真空的电子管
- An electrode used in certain electron tubes to provide secondary emission. 中间极,二次发射电极一种用于一定电子管作第二次发射电极
- 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
- Special electronic techniques permit a pair of wire to carry more than one conversation at time. 特殊的电子学技术允许一对铜线同时传送好几个通话。
- Electron tubes are the main component for this machine. 真空管是这种机器的主要零件。
- Hangzhou Xinanjiang Electronic Tube Factory Co., Ltd. 杭州新安江电子管厂有限公司。
- Raw materials for laser crystalloid, special electronics and pharmaceutical intermediate. 激光晶体用基质材料,特殊电子化学品,医药中间体。
- Within the last few decades , the electron tube has been largely replaced by the transistor . 在近几十年里,电子管已大大为晶体管所取代。