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...
Acceptance of women preachers varies greatly from denomination to denomination.在接受女性传教士的问题上，不同教派的态度大相径庭。Litre is a metric denomination.升是公制单位.The firm is still operating under another denomination.这家公司改用了名称仍在继续营业....
Meat taints readily in hot weather.天气炎热,肉容易变味.This disease of money and greed taints other people.别人会为了贪财争赃而丧心病狂.Pornography taints the young mind.黄色书刊毒害年轻人的心灵....
Double hysterisis, found in antiferromagnetics and antiferroelectrics , has an equal significance as the single hysteresis.双回线出现在反铁电(磁)体中及部分铁电体的临界点....
Both ionization and excitation lead to eletronic transitions that may be the emission of light.电离和激发都将导致可能伴随有光发射的电子跃迁.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selectio...