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...
Monitor the level of hemoglobin and the behavior , disp of mice kineticly.动态观察小鼠血红蛋白和性情、行为改变,观察无偏瘫、抽搐、出血等.Objective: To study the self - interaction of Chondrichthyes ( Raja porosa ) hemoglobin component.摘要目的: 研究一种软骨鱼系动物...
None but God will ever know what I suffered.只有上帝知道我受过什么苦。He whispered so softly that none but Julie heard him.他这般低声耳语，只有朱莉听得见。A covetous man is good to none but worse to himself.贪婪之徒,与世无益,尤害自身....
A network of railways has spread over the province.铁路网已遍布全省。Railways could now bring food to encamped armies...现在通过铁路能够给扎营部队运送食物了。The railways will carry a far higher proportion of freight traffic...铁路将承担比例高得多的货运量。Britai...