频率合成 pínlǜhéchéng frequency synthesis Origin Definitions Defs Strokes Stroke Words Sentences Sents 频率 頻率 pínlǜ noun frequency (physics) The number of vibrations, oscillations, or cycles of a wave per unit of time, typically measured in Hertz (Hz)合成 héchéng verb + particle to synthesize to produce a complex substance from simpler materials through chemical reactions or other processes; to synthesize