This study presents a new single - stage single - switch PFC flyback DC converter.文章研究了一种新型 单级 单开关PFC反激变换器.A novel multi - output forward - flyback converter with secondary side post regulation is proposed.详细分析了一种运用了后级调整...
The old man combed his snowy hair.老头儿梳他的白发。He keeps up his long - distance running whether it's windy or snowy.刮风也罢,下雪也罢,他都坚持 长跑.We can make a snowman on a snowy day.在下雪天,我们可以堆雪人.Do you think your car will stand up ...
这汤实在是太淡了, 请再往汤里放些须盐.The soup is too watery, please add some salt.不过,只要在每天的生活中添加些须简单的原料,你就可以尽情地享受生活.But you can your life to its fullest by adding some simple things to each day....