具有直接或间接加热的阴极的电子管五极管。
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.
Gibler和其他同行预测，在未来五年内，在全国出售的一半灯具将是二极管灯。
Within the next five years, Gibler and others in the industry estimate that half of all lights sold in this country will be LEDs.
而今年的水晶球则采用了节能技术，球体外表覆盖着一层沃特福德水晶，内置9576个发光二极管，发出五彩的光芒。
This year's event featured an energy-efficient sphere clad in Waterford crystals, with 9,576 light-emitting diodes that generated a kaleidoscope of colors.
第五章针对二极管箝位(NPC)三电平逆变器，详细研究了SVPWM控制策略。
In chapter 5, the principle of SVPWM control scheme for the three-level NPC inverter is discussed.
为了验证所提出的控制自由度组合的思想和新型的PWM控制方法，对二极管箝位型三电平逆变器和五电平逆变器进行了仿真和实验研究。
The idea of control degrees of freedom combination and the validity of the novel PWM strategies are demonstrated by simulation and experimentation of three-level inverter and five-level inverter.
为了验证所提出的控制自由度组合的思想和新型的PWM控制方法，对二极管箝位型三电平逆变器和五电平逆变器进行了仿真和实验研究。
The idea of control degrees of freedom combination and the validity of the novel PWM strategies are demonstrated by simulation and experimentation of three-level inverter and five-level inverter.
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