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...
Her grandmother had the gift of making people happy.她奶奶有逗人开心的本事。They are naturally good salesmen with the gift of the gab.他们天生就是能说会道的推销能手。The surprise gift is a thankyou for our help.这份意外的礼物是为了感谢我们给予的帮助。...