本文研究的电磁阻尼器是一种特殊结构的空心杯发电机，它主要用于对能量的吸收和耗散，达到减振消能的目的，是具有很高单位耗能的能量吸收元件。
The electromagnetic damper studied in this paper belongs to a special kind of coreless generator, which is used for the energy absorption and dissipation in order to weaken vibration.
声音是能量传递的一种形式，我们可以用单位时间内的能量，或声音产生的能量来为衡量响度，但这还不全面。
Sound is a form of energy transfer and we could define loudness in terms of the energy per unit of time or power output of the sound, but it wouldn't give the complete picture.
根据本发明，提供一种具有高性能系数的热泵、及一种每单位水分去除量仅需消耗少量能量的减湿设备。
The present invention provides a heat pump with a high coefficient of performance and a dehumidifying apparatus that consumes a small amount of energy per amount of moisture removal.
PWM整流器可实现正弦的网侧电流、单位或可调的功率因数、能量的双向流动，是一种真正意义上的“绿色环保”电力电子装置。
The PWM rectifier is a "green" power electronics equipment since it offers sinusoidal input currents, unity or adjustable power factor, reversal of power flow.
PWM整流器可实现正弦的网侧电流、单位或可调的功率因数、能量的双向流动，是一种真正意义上的“绿色环保”电力电子装置。
The PWM rectifier is a "green" power electronics equipment since it offers sinusoidal input currents, unity or adjustable power factor, reversal of power flow.
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