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...
Someone comes in every day to check all is in order.每天都有人来检查是否一切都井然有序。More than six million youngsters tune in to Blockbusters every day.每天有600多万年轻人收看“热门大片”这档节目。I wear my old shoes every day. One sole has come unglued.我每...
The wing of the plane broke off in midair and the plane crashed.机翼在空中脱落,致使飞机坠毁.Hundreds of fireworks burst simultaneously in midair.成百上千朵烟花在半空中同时绽放。Have you seen two meteors mutual attracting in midair of simultaneously ...
The railway station smelt powerfully of cats and drains.火车站上有冲鼻的猫味和臭水沟味。Ingrid went with him to the railway station to see him off.英格丽德和他一起去火车站送他。The railway station pours thousands of people in all directions.成千上万的人从火车站...
女粉丝冲破保安的阻拦，撕扯他的衣裳。Female fans fought their way past bodyguards and tore at his clothes.组织者广泛征询了警方、管事和保安的意见，以保证绝对安全。Organisers had consulted widely with police, stewards and safety officers to ensure tight security.酒店设有地下...
Ernie was a real heller when he was young.厄尼年轻时爱惹事生非.He easily overcame Garcia, Saturday's conqueror of Ernie Els...他轻松战胜了星期六击败厄尼·埃尔斯的加西亚。Abe Polin believed , Ernie believed, the coaching staff and the players belie...
Our guide unpacked a picnic of ham sandwiches and offered us tea.我们的导游打开装着火腿三明治的野餐盒，并给我们倒了些茶水。Is there anything you'd like to borrow, before your own things are unpacked?你在打开行李之前还要借什么东西吗？As the equipment was unpacke...
Ni-Al-X 催化剂是己二腈加氢的优良催化剂.The said catalyst was a good hydrogenation catalyst for adiponitrile.在间歇式反应器中成功地实现了己二腈 ( ADN ) 在近临界水中的水解.Hydrolysis of adiponitrile ( ADN ) in near - critical water was successfully conducted in a...