PF

= Page Footing,页合计;

= Page Formatter, 页面格式符;

= Parity Flag, 【ASM】 奇偶标志;

= Performance Factor, 性能因数;

= PicoFarad, 皮(可)法，微微法;

= Pilot Filter, 导频滤波器;

= Positive Feedback, 正反馈，正回授;

= Primary Frequency, 主要频率，主频