放大器自激振荡的频率就取决于流体的速度.Amplifier self - oscillates at a frequency depending on the velocity of the fluid.我们从经验观点来介绍运算放大器.We will approach the op - amp from an empirical point of view.它是三极管放大器的等效电路.It is the equivalent circu...
An unruly mob broke down police barricades and stormed the courtroom.一伙暴徒捣毁了警察设置的路障冲进法庭。Bottles and cans were hurled on the terraces by the mob.暴徒向看台扔瓶子和罐子。They have been exercising what amounts to mob rule.他们一直在实行相当于暴政的...