In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.

在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。

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This constant voltage system key lies in the control system the design, and switch transistor choice and application.

该稳压系统的关键在于控制系统的设计，及开关晶体管的选择及应用。

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The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.

该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。

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As the crisis developed and the various warnings were relayed to us over the camp tannoy system, I got hold of a little transistor radio.

BBC: Missile crisis: Your memories

In 65 short years, the humble transistor evolved into an artificial life form called Watson, a computer system that recognizes natural language and, in 2011, handily defeated two former champions on the TV quiz show Jeopardy.

FORBES: Cyber Security And The Rise Of The Silicon-Based Life Form

Her glorious soprano soared to us from record players and transistor radios, from folk clubs and grand concert halls, over the public address system at rallies against the war in Vietnam and now through the ear buds of our iPods.

NPR: Judy Collins, From Both Sides Now