安保自动化系统 Security Automation System SAS
安全筛选 Security Screening SEC
保安单元 Security Unit
分段类型 Segment Type ST
分段和重装子层 Segmentation and Re-Assembly Sub-Layer SAR
占线状态,忙状态 Seized Status, Busy State
占用 Seized, Busy,
占用率 Seizure Rate
选择拒绝幀 Select Reject Frame SREJ
连选 Select Successively
选择码 Selecting Code
遇忙/无应答有选择呼叫前转 Selective Call Forwarding on Busy/No Response SCF
安全筛选 Security Screening SEC
保安单元 Security Unit
分段类型 Segment Type ST
分段和重装子层 Segmentation and Re-Assembly Sub-Layer SAR
占线状态,忙状态 Seized Status, Busy State
占用 Seized, Busy,
占用率 Seizure Rate
选择拒绝幀 Select Reject Frame SREJ
连选 Select Successively
选择码 Selecting Code
遇忙/无应答有选择呼叫前转 Selective Call Forwarding on Busy/No Response SCF
有选择呼叫前转 Selective Call Forwarding SCF
自校准 Self-calibration
独立的,自含的,已配套的,设备齐全的 Self-Contained
自诊断 Self-Diagnosis
自愈 Self-Healing
自愈网 Self-Healing Network
自愈环 Self-Healing Ring USHR
自环,自循环 Self-Loop
自环电缆 Self-Loop Cable
自环线 Self-loop Line
自制件 Self-made Components
自制内部单根 Self-made Internal Single
自制导线 Self-made Wire
自制紧固件 Self-make Fixture
自同步 Self-Synchronization
自检 Self-Test
人工半自动呼叫 Semiautomatic Call
半自动核对 Semi-Automatic Checking
半永久连接 Semi-Permanent Connection
加发万位标志 Send Extra Myriabit Flag
加发汇接标志 Send Extra Tandem Flag
发号 Send Signals
收完再发 Sending After Receiving Completely
传感器 Sensor
传感式手套 Sensor Glove
中继群内序号 Sequence Number In Trunk Group
顺序号 Sequence Number SNR
(程序安装的)序列号 Serial Number SN
串口线 Serial Port Line
业务接入点标识 Service Access Point Identifier SAPI