通过实例探讨了正反馈在放大电路中的应用.This paper discusses the application of positive feedback in amplifiers.正反馈放大器是信号级 脉冲形成电路 的基础.Amplifiers with positive feedback are the bases of signal - grade pulse - forming circuits .这种控制方法虽然是有效的, ...
'You promised me love!'he cried despairingly.“ 你答应过爱我的! ” 他绝望地哭喊道.He despairingly abandoned his search.他绝望地放弃了寻找.Scarlett thought despairingly that a plague of locusts would be more welcome.思嘉绝望地觉得这比经受一次蝗灾还要可怕....
The sight of George shedding crocodile tears made me sick.看到乔治假慈悲,我感到恶心。That was real crocodile skin.那是真正的鳄鱼皮。Use the crocodile clips to attach the cables to the battery.用鳄鱼嘴夹把电缆接到蓄电池上。...
如果这样的话,那就是一心贪图钱财和未婚者的恶劣行径了.That would be the way of the wooer mistress's money.但大多数未婚者必须为自己寻找约会的机会.However, most unmarried people have to find their own dates.这个百折不挠的未婚者经过执着的努力,终于如愿以偿.The persistent suitor made pers...
"Any fresh developments?" — "Nothing to speak of."“有什么新进展了吗?”——“谈不上什么新进展。”Reading is the only hobby I can speak of.读书是我唯一值得一提的爱好.When we speak of unity, we do not mean unprincipled peace.所谓团结, 并非一团和气....
His body slowly undulated in time to the music.他的身体随着音乐的节拍慢慢摆动。The sail undulated gently in the breeze.帆在微风中缓慢地波动.The ripe wheat undulated in the Breeze like the incoming tide.成熟的小麦象潮水般随风起伏....