... vacuum-tube amplifier 电子管放大器 vacuum-tube circuit 电子管电路 vacuum-tube clipping circuit 电子管削波电路 ...
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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.
第二代机器使用改良的微电子管和后固体电路。
The second generation of machines utilized improved miniature electronic tubes, and later solid-sate circuits.
简述了FC - 308电子管发射腔体的调试过程，包括中和电路的调整、输入回路的调节以及输出回路的调试。
This paper briefly introduces the adjusting process of the emission cavity of FC-308 electronic tube including adjustments of neutralizing circuit, input circuit and output circuit.
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