vacuum thermionic tube detector
真空热离子管检波器
plate-detection type vacuum tube voltmeter
板极检波真空管电压表
the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes).
电子学中有关热离子现象（特别是热离子真空管）的分支。
seibt rectifier
低压真空管全波整流器
evacuated quartz tube heater
抽真空式石英管加热器
tubular solar collector
真空管太阳能集热器
HOSES: Check radiator, cooling, heating and vacuum hoses for cracks and bulges.
软管：检查散热器、冷却、供热和真空等软管有无裂缝和膨胀处。
Vacuum Experiment Research of Microwave Plasma Thruster and Application Probe of Geosynchronous Satellite;
微波等离子推力器真空实验研究与卫星应用探索
millimeter wave and submillimetet wave vacuum electron device
毫米波与亚毫米波真空电子器件
Study on Heat Transfer Performance of CPC Heat Pipe Evacuated Tubular Collector;
CPC热管式真空管太阳能集热器传热特性的研究
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。
Study on Thermal Performance of Evacuated Tubular Solar Air Collector with Inserted Tubes
内插式太阳能真空管空气集热器集热性能研究
Design and Research on the Heat Pipe Solar Energy Water-heater;
热管式真空管太阳能热水器的设计研究
DESIGN AND PERFORMANCE ANALYSIS OF A NOVEL CPC HEAT PIPE TYPE EVACUATED TUBULAR HEAT COLLECTOR
新型CPC热管式真空管集热器设计与性能分析
The Experimental Study on Performance of Feed-Tube Evacuated Tubular Solar Air Heater;
内插管式全玻璃真空管空气集热器性能研究
microwave plasma emission spectroscopic detector
微波等离子体发射光谱检测器
Research of Ion-exchanged Optical Waveguide and Optical Power Splitter;
离子交换光波导及光功分器仿真研究
vacuum tubular glass solar collector
玻璃真空管太阳能热水器