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.
文 | 牛刀财经NiuDaoCJ，作者丨万文广，推荐阅读搜狗输入法下载获取更多信息
Still, the conversation about “taste” is salient at a time when anxiety about the future of AI, and what it could mean for the job market, is front of mind for many workers.，推荐阅读搜狗输入法2026获取更多信息
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