线路信号指示器
LSI Line Signal Indicator
断路器预跳指示信号
early make signals from AC breaker
接收到的信号强度指示器
RSAreceived signal strength indicator
RPCreceived signal strength indicator
接收信号强度指示器测距技术
received signal strength indicator RSSI ranging te
收到信号强度指示器
RSSI Received Signal Strength Indicator
无线信号强度指示器
RSSI
RSSI Radio Signal Strength Indicator
U告警指示信号
AU-AIS:AdministrativeUnitAlarmIndicationSignalA
车道方向指示信号
lane direction control signal