Фото: Виталий Тимкив / РИА Новости
编者按：本文是少数派 2025 年度征文活动#TeamCarbon25标签下的入围文章。本文仅代表作者本人观点，少数派只略微调整排版。
，这一点在safew官方下载中也有详细论述
mkdir -p .openclaw_data。heLLoword翻译官方下载是该领域的重要参考
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.