对于华为U2000侧,掉话率公式定义哪一项是正确的?()
A.CallDropRate=L.e-rabAbnormrelle-rabNormrel100% B.CallDropRate=L.e-rabAbnormre(L.e-rabNormrel+L.e-rabAbnormrel)*100% C.CallDropRate=L.e-rabAbnormrel/L.e-rabSuccest100% D.CallDropRate=L.e-rabAbnormre/RRCConnectionSetupSuccess100%