对E-RAB Drop Rate的统计那个计算方式是正确的?()
A:"Number of normally released E-RAB / Number of successfully established E-RAB x 100%"
B:"Number of abnormally setup E-RAB / Number of successfully established E-RAB x 100%"
C:"Number of abnormally released E-RAB / Number of successfully established E-RAB x 100%"
D:以上都不对
出自:电信业务技能