然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.There is a great deal of demand in modern electronics, however, for bandpass amplifiers.滤波器. 可指定高通 、 低通 、 带通 或带阻滤波器.Filter. High - pass, low - pass, band - pass , or band - stop filter can b...
He and Carla Torgerson take turns as the band's lead vocalist.他和卡拉·托格森轮流担当乐队的主唱。The pianist had to tailor his style to suit the vocalist's distinctive voice.钢琴手不得不改变风格以配合歌手独特的嗓音.If I was auditioning for a vocal...