A、 "Number of normally released E-RAB / Number of successfullyestablished E-RAB x 100%"
B、 "Number of abnormally setup E-RAB / Number of successfullyestablished E-RAB x 100%"
C、 "Number of abnormally released E-RAB / Number of successfullyestablished E-RAB x 100%"
D、 以上都不对