单词	sigma resonance
释义	sigma resonance ∑共振
随便看	System,Real-Time System reason system reasonableness system reasons system rebuild system recall procedures system reform mode system reform of enterprise system recognition system recomposed technology system reconfiguartion system reconfiguration system reconfiguration capability system reconstructing System reconstruction system reconstruction method system reconstruction theory system record system recorder system recorder file system record file system recovering system recovery System Recovery Area system recovery card