negative sol阴电(荷)溶胶,负电(性)溶胶
negativeadj.否定的;消极的;负面的;负的n.否定;反面意见;底片;[数]负数vt.否定
negative cut-off grid voltage负截止栅压
negative temprature coefficient负温度系数
negative voltage gain amplifier负电压增益放大器
negative acknowledgement signal否定信号
negative resistance oscillation负阻振荡
Negative ion air purifying lamp负离子空气净化灯
negative particular proposition否定特称命题
negative increase of population人口负增长