T1=1.52×10−16s,T2=1.216×10−16sT3=4.1×10−15sT1=1.216×10−16s,T2=1.52×10−16sT3=4.1×10−15sT1=4.1×10−15s,T2=1.216×10−16sT3=4.1×10−15s