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...
瘤,''.'节疤'. ''凸饰环状突出或节状肿起, 如在一些动物角上的突起.A circular protuberance or knob like swelling, as on the horns of certain animals.这个桌子是长方形的,表面有一些树木的节疤.This table has a rectangular top with knots of wo...
该组织现有大约18,000名成员，他们会收到一份内部通讯季刊。The organization now has around 18,000 members who receive a quarterly newsletter.她编选了这本媒体研究季刊——《银幕》。She has edited the media studies quarterly, Screen.他们印发内部季刊与会员保持联系.They keep in touch wi...
Shares ended 1.7 per cent firmer on the Frankfurt exchange.法兰克福交易所收盘时股票上涨了1.7%。We will then have a firmer foundation of fact on which to build theories...那样我们将会获得一个建立理论所需的更为牢固的事实基础。The pound is firmer on the foreign exch...
I felt a tremendous sense of relief and exultation.我感到非常放松，无比欢喜。From that peak in Darien, Balboa looked down with mingled feelings of awe and exultation.包尔波亚从达里安之巅俯视下方,感到肃然生畏又满心欢喜.It made him catch his breath , it lit hi...