polarity

特殊用法clock polarity1.■时钟极性deflection polarity (of an oscilloscope)1.■(示波器)偏转极性error voltagepolarity1.■误差电压极性induced electrical polarity1.■诱导极性like polarity1.■同极性magnetic polarity1.■磁极性positive polarity1.■正[负]极性negative polarity1.■正[负]极性relative polarity1.■相对极性reversed polarity1.■反极性signal polarity1.■信号极性straight polarity1.■正接; 正极性subtractive polarity1.■负极性polarity of sunspots1.■【天】黑子的极性