词汇	mutation change
释义	mutation change 突变
随便看	junction summing junction surface junction switch frame junction symbol junction table junction tandem exchange junction temination junction temperature junction temperature limit junction-temperature measuremeat junction temperature measurement junction terminal junction terminal board junction terminal transfer train junction termination junction tetrode transistor Junction,Tight junction to air junction to ambient thermal resistance junction-to-ambient thermal resistance junction-to-ambient thermal resist-ance junction traffic junction transistor junction transistor circuit junction transistor integrator