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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The sci-fi adventure Planet of Lana II: Children of the Leaf launches as a day-one Game Pass release on March 5 across cloud, console, handheld and PC. Fan favorite Cyberpunk 2077 hits Game Pass Ultimate and Premium on March 10 across cloud and console. The Witcher 3, also from developer CD Projekt RED, returned to Game Pass just a couple of weeks ago.，详情可参考WPS下载最新地址
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