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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Distribution and promotion strategies must extend beyond traditional channels to build the multi-platform presence that signals authority to AI models. This means systematically sharing your expertise across relevant communities, contributing to discussions on forums and social media, publishing on platforms like Medium or LinkedIn in addition to your own site, and building genuine relationships within your niche rather than just broadcasting content.，更多细节参见搜狗输入法2026
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