There is a great deal of demand in modern electronics, however, for bandpass amplifiers.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.A newly - designed digital bandpass filter for the dynamic balance machine is presented by sampling de...
如蒙惠顾,不胜荣幸.I hope to be honored with further orders.我们欢迎您的惠顾.We would like to have your custom.敬请顾客继续惠顾.Solicit a continuance of customer's patronage....
He uses tapes of this program to teach English.他用这个节目的录像带教授英语。The report outlined possible uses for the new weapon.该报告概述了这种新式武器的可能用途。He boils down red wine and uses what's left.他把红酒熬稠后再用。...
We were accused of being militant left-wingers.我们被人指责是好战的左翼分子。...in-fighting between right-wingers and moderates in the party.党内右翼人士与温和派的内讧The government parties may be tempted to throw a few sops to the right-wingers.执政...
在泥盆纪末期，30％的动物物种都灭绝了。Near the end of Devonian times, thirty percent of all animal life vanished.收藏矿物 、 古生物学 、 中泥盆纪 、 二叠纪到早期的侏罗纪和白恶纪.Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.泥盆纪(系)...