This paper presents a new type of smoke alarm device based on measuring methods of amplitude and rate ,and describes its hardware circuit principle .
提出了一种新型的烟雾报警装置 ,并详细介绍了装置的硬件电路原理和所采用的具有动态调整门限的幅值测量法和变化率测量法。
radioisotope smoke alarm
放射性同位素烟雾报警器
Smoke detectors have become more common in homes in the United States.
美国的家庭已普遍地使用烟雾报警器。
The Idea For A Smoke Detector Comes From a Dream
有声烟雾报警器 发明灵感梦中来
The Design of Smoke Alarm Monitoring System Based on CAN Bus
基于CAN通信的烟雾报警监控系统设计
The newly-developed smog alarm system will trigger the alarm once smoke or fog reaches certain degree.
新开发烟雾报警系统．要碰到一定浓度的烟或雾．会自动发出警报，让您的居家更为安全舒心。
We began to do our own testing at home, slamming doors, holding him near the smoke detector and setting it off.
我们开始在家里自己来做测试，拍打房门，把他带到烟雾报警器旁边打开报警器。
You need to go on taking basic fire safety precautions even when smoke alarms are fitted in your home.
即使在您的家中安装了烟雾报警器，您还是需要继续采取基本的防火安全措施。
Smoke sensors warned us of the fire.
烟雾探测器已向我们发出火警警报.
fire-alarm, incorporating smoke detectors, containing a radioactive substance
火警报警机,装有烟雾探测器,含放射物质
Discussion on Design of Aspirating Smoke Detection Fire Alarm System
有关吸气式烟雾探测火灾报警系统设计的探讨
Adaptability of Aspiration Smoke Detection Alarm in Subways
吸气式烟雾探测报警技术在地铁中的适用性
Application of the Smoke Detecting Fire Alarm System on Metro Vehicles
烟雾探测火灾报警系统在地铁车辆上的应用
detector ,smoke or flame, equipped with sound or visual alarm (excl. those with radioactive substances)
烟雾或火焰探测器（不包括含有放射性物质的探测器）装有音响或视觉警报器
Smoke Detection Studying in Automatic Fire Early Warning Based on Vedio
视频火灾自动预警中烟雾检测的研究
smoke vent system
烟管式火灾报警系统
smoke detecting arrangement
烟管式火灾报警装置
automatic smoke type fire alarm
测烟式失火自动报警器
The smoke triggered off the alarm.
这些烟把警报器触响了.