sound and light alarm

• 声光报警

sound and light alarm的用法和样例：

例句

1. Acoustic, optical alarm signals and identifying ind.
   船舶声光报警信号和识别标志。
2. Preserve alarm value, when the number value of the vibration and temperature exceeds prewarning, use sound and light to report to the police.
   预设报警值，当振动和温度的数值超过预警时，即用声光报警。