中频不稳定性的研究经历了极为曲折的道路.Intermediate frequency instability has had the most uneven history.在模拟系统中通常是由中频信号的失真所引起.Typically caused by mid frequency distortions in an analog system.中频电源已广泛应用于工业加热领域.Medium - frequency power supp...
琼非常迷信，认为绿色会带来厄运。Jean was extremely superstitious and believed the colour green brought bad luck.她给家庭带来了厄运。She had brought ill luck into her family.他们并不知道即将降临到他们头上的厄运。They were unaware of the fate that was to befall them....
Both boys had good manners, politely shaking hands.这两个男孩都很有礼貌，友好地握了手。His behaviour offends against the canons of good manners.他的行为违背了礼法的准则.Mother attaches a great deal of value to good manners.妈妈很重视礼貌....
Investigators say nearly $100,000 was wired into the suspect's bank accounts.调查人员说有近10万美元汇入了嫌疑人的银行账户。The investigators complained about the difficulties of squeezing information out of residents.调查人员抱怨说很难从居民身上获取信息。S...
For years he led the Baylor College of Medicine in Houston.这些年来他在休斯顿的Baylor医科大学供职.Mrs. Baylor strode to the elevator and punched the button.贝勒太太迈向电梯，按下按钮。Brantley Scott , a urologist affiliated with the Baylor College of...