词汇	section text
释义	section text 正文节
随便看	difference-threshold difference threshold,difference limen difference thresholds difference through hole difference through hole impedance difference time-domain method difference titration differencetone difference tone difference-tone difference-tone factor difference tones difference transfer ratio difference transformer difference transistor difference transmission difference treations difference triangle difference type pickup electrode difference type relay difference-type tailgate difference uniformity difference unusual energy Difference validity difference value