循环报警功能警情出现，车主设置的报警电话循环报警。
The functions of the police intelligence report circulating there, the owners set the alarm call cycle alarm.
控制单元将各子区域背景声音信号电平与各对应设置的子区域报警阈值电平比较，在某子区域背景声音信号电平大于该子区域所设置的报警阈值电平时控制告警。
Modulator mixes point sound signal output by its subordinate multiple detectors to background sound in the sub area and sends it to control unit to realize background sound reproduction.
我不是向你抱怨，但为什么你花大笔钱买了个高级报警系统，但在离开家的时候不把它设置好呢？
I'm not complaining, but why would you pay all that money for a fancy alarm system and leave your house without setting it?
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