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law of sine中文是什么意思

发音:  
用"law of sine"造句"law of sine"怎么读"law of sine" in a sentence

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  • 正弦定律

例句与用法

  • " soft switching " is zero voltage switching or zero current switching , which the voltage ( or current ) of the switch varies by law of sine or quasi sine , the switch is on when its voltage reaches zero ( or switch is off when its current reaches zero ) by resonance . it makes switch loss is zero , so it can increase the operating frequency and raise power density , minimize the size of transformer and inductor
    “软开关”是指零电压开关或零电流开关,它是利用谐振原理,使开关变换器的开关管电压(或电流)按正弦(或准正弦)规律变化,当电压过零时,使器件开通(或电流自然过零时,使器件关断) ,实现开关损耗为零,从而提高开关频率,减小变压器、电感的体积。
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