电信类英语词汇表大全-13
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闭合用户群
Closed User Group
CUG
闭塞出
outgoing blocked
闭塞解除信号
UnBLocking signal
UBL
闭塞入
incoming blocked
闭塞信号
BLOcking signal
BLO
闭塞证实信号
BLocking Acknowledgement signal
BLA
闭锁出局国际呼叫
Barring of Outgoing International Call
BOIC
闭锁除直接到归属PLMN国家外国际呼叫
barring of outgoing international calls except those direct to the home PLMN
闭锁全部输出呼叫（除归属国外）
barring all outgoing calls (except home country)
闭锁所有国际呼出业务
Barring of all Outgoing International Calls
BOIC
闭锁所有呼出业务/闭锁全部去话
Barring of All Outgoing Calls
BAOC
闭锁所有呼入业务/闭锁全部来话
Barring of All Incoming Calls
BAIC
闭锁用户线
block subscriber line/close subscriber line
壁挂式
wall-mounted
避雷针
lightning arrester
边带滤波
sideband filter
边界关口
Border Gateway
BG
边界网关协议
Border Gateway Protocol
BGP
边模抑制比
Side Mode Suppression Ratio
SMSR
边信息
side information
边缘交换单元
Edge Switch
ES