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...
He enunciated, quietly, but in something like his usual modulated and faintly histrionic tone.他清晰地说, 虽然是轻声的, 却依旧是他平时那种抑扬有致,微微带些戏剧性的声调.N son - carrier waves were modulated respectively with N paths symbol and got FDM sign...
她细腻光滑、美丽白皙的脖子上戴着一条精致的链子。She wore a fine chain about her alabaster neck.他喜欢戴金链子，穿花里胡哨的衣服来招人反感。He liked to shock with his gold chains and loud clothes.挂在墙上的链子高低不齐。The chains were at different heights on the wall....