More and more people take seriously in the research of the automatic alarm system and safety equipment when the ever increasing life conditions and the protected consciousness.

而由于随着人们生活水平的提高和安全防范意识的增强，有关仓库、办公室、家庭等处的安全防范和自动报警系统的开发研制日益被种明单位和生产厂家所重视。

youdao

The automatic alarm system in some thermal power plants will send out monotone alarm ring or buzz with the fault points blinking on CRT screen in response to the alarm information.

部分火电厂计算机控制系统中的自动报警系统在出现报警信息时发出单调的警铃或蜂鸣器声音报警，CRT画面上故障点闪亮。

youdao

So am I. As far as I can tell, it is simply automatic; the alarm is played quietly at first, then gradually louder.

据我所知，这是自动化的；警报在开始时无声播放，然后声音逐渐变大。

youdao

Fire crews responded to an automatic alarm, but the fire had been put out by staff in the home by the time they arrived.

BBC: Wellgreen House