In fire autoalarm control system the fire detector is the key parts for the detecting of fire signals.
火灾自动报警控制系统中，探测器是探测火灾信号的关键部件。
A new circuit has been designed and developed for picking up and amplifying the weak signals from a photoelectric detector in fire detecting system.
火灾探测系统常常因为光电探测器输出信号的微弱而不能工作。文中介绍了为此设计的一个微变信号检测电路。
In order to resolve the problems that came from the new fire control system in large space, some projects were put forward, which improved the reliability of early fire detecting and alarming system.
针对大空间新型消防报警系统设计的具体问题，提出了相应的解决方案。大空间新型消防报警系统的实施提高了早期火灾探测和报警的可靠性。
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