?????????????

????6??????????

??????????????????????????????????????в????

?????ò???????????????仯??????

????COR -> RFT??

????7?????????????

??????????????????????в????????????????????????Follow-up??????????????????????????????????Trace???????????????????????????

?????ò???????????????仯??????

????RFT -> VAL??

????RFT -> NVL??

????8????????????Release??

?????????????????????????????????????·?????????汾?к?RCA??????????????????????????????follow-up????????????????????????

?????ò???????????????仯??????

????VAL -> CLOSE??REL????

????9???????????RFI??

????FRR????????????????????????????????Originator?????????????

?????ò???????????????仯??????

????OPEN -> RFI??RFI -> OPEN??

????RFA??RFC -> RFI??RFI -> RFA??RFC??

????ANA??WAIT -> RFI??RFI -> ANA??WAIT??

????10??WAIT??

?????????????WAIT?????????????????????

????WAITNEXT??????????WAIT????????RFI?????RFI????????????OPEN??RFA??RFC??ANA??

????WAITCRB?????????????′?NCB?????????

????WAITEVER???????????????

????WAIT????????????????????汾?????????汾?????????

????????????????

????RFI??NCR??WAIT -> WAIT??

????11??????????????

??????????????????????????????????????????????????????2.2.1??