这台电磁式机器一直使用到1959年，然后就被遗弃在灰尘中，因为到了那个时期，首先使用电子管、接着晶体管、然后集成电路芯片的真正电子计算机先后问世。
The electromagnetic machine remained in use until 1959, by which time it was left in the dust by true electronic computers using first vacuum tubes, then transistors, then chips.
拖到绘图页后，可以添加具有直热式或旁热式阴极的电子管五极管。
Drag onto the page to add a tube pentode with directly or indirectly heated cathode.
介绍了采用新型传感元件GP - 16火焰检测电子管实现非接触式火焰检测的方法，并给出了完成其功能的电路图。
A method of realizing untouched fire test by a new transducer GP 16 fire test electron tube was introduced, and the circuit for finishing the functions was given.
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