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go install github.com/deevus/pixels@latest。业内人士推荐safew官方版本下载作为进阶阅读
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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.