单项选择题
A.强制直接重试(Forced Direct Retry)B.质量切换(Too Low Quality (UL&DL))C.电平切换(Too Low Level (UL&DL))D.干扰切换(High level interference on UL or DL)
A.30以下B.30-50C.50-80D.80以上
A.System Information Type1B.System Information Type2C.System Information Type4D.System Information Type5