智能化安全防范系统的核心是信息采集与处理，其中入侵探测器是进行信息采集的关键部件。
The central part of intelligent security protection system is signal collecting and processing, among which the intrusion detector is a key part.
警报系统。入侵和滞留系统。第2 - 4部分：组合无源红外和微波探测器的要求。
Alarm systems - Intrusion and hold-up systems - Part 2-4: requirements for combined passive infrared and microwave detectors.
入侵报警系统保卫各个入口点，主要包括三个部分，探测器，传输信道以及安装在家中的报警主机。
Intrusion alarm systems secure various entry points and have three key parts, namely the detectors, transmission channel and alarm controller.
入侵报警系统保卫各个入口点，主要包括三个部分，探测器，传输信道以及安装在家中的报警主机。
Intrusion alarm systems secure various entry points and have three key parts, namely the detectors, transmission channel and alarm controller.
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