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...
Please tick this box if you do not wish to receive such mailings...如果你不想收到此类邮件，请在这个方框里打钩。The seniors organizations sent out mailings to their constituencies.老年人组织向各自的会员寄送了邮件。The owners of the store have stepped up custom...
它用讽刺的语言呈现了天主教作家郑重其事表明的观点。It presented in satirical terms points made in earnest by Catholic writers.《华尔街日报》的一篇社论概述了很多保守派人士的观点。A Wall Street Journal editorial encapsulated the views of many conservatives.你也应该让本地议员了解你的观点。Y...