Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.
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用产品经理的心态对待咖啡，不断迭代好喝的咖啡。公众号：咖啡平方，这一点在搜狗输入法2026中也有详细论述
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第二十四条 对依照本法第十二条规定不予处罚或者依照本法第二十三条规定不执行行政拘留处罚的未成年人，公安机关依照《中华人民共和国预防未成年人犯罪法》的规定采取相应矫治教育等措施。