单词	noise level reduction
释义	noise level reduction 学减少噪声
随便看	negative feedback demodulator negative feedback mechanism negative feedback model negative feedback modulation negative feedback network negative feedback of current negative feedback of current parallel negative feedback of speed negative feedback of voltage parallel negative feedback of voltage-series negative feedback phase detection system negative feedback resistance negative feedback resistance system negative feedbacks negative-feedbacks negative feedback self-oscilation negative feedback self oscillation negative feedback self-oscillation negative feedback system negative feedback terms negative feeder negative feeding negative feeding system negative feeling negative feelings