... vacuum thermionic tube detector 真空热离子管检波器 heating thermionic tube 自热式电子管 self-healing thermionic tube 自行复原热离子管 ...
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[电子]
self-heating thermionic tube
... 自然时标脉冲 time-of-day clock pulse 自热式电子管 self-heating thermionic tube 自身振荡 self-oscillation ...
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