起初我们着手研究的是看起来似乎最简单和最明显的滤波器.We started with what seemed the most simple and obvious filter.在适当条件下,多层膜还可作滤波器.Under appropriate conditions a multilayer may also be employed as a filter.这个信号送到滤波器 - 放大器,它是由变压器耦合到视频检波器的.The si...
No one believes that current nondrinkers should be encouraged to start imbibing.没人认为应该鼓励现在滴酒不沾的人去狂喝豪饮。They had a 42 percent lower risk of developing dementia than the nondrinkers.与不饮酒者相比,他们患痴呆的危险要低42%....
他很有风度地小口喝着饮料。He sipped his drink decorously.他很有风度.He has great style.“干得好，卡桑德拉。”克鲁克说。她脸一下子红了，但还是很有风度地接受了恭维。"Well done, Cassandra," Crook said. She blushed, but accepted the compliment with good grace....