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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This turnaround in Paramount's fortunes has happened quickly. Warner Bros. Discovery announced that Paramount's offer was superior to Netflix's on Thursday, and not long after the streaming service said that it wouldn't provide a counter offer, effectively abandoning its previous agreement.
据《金融时报》消息，DeepSeek 或于 3 月初正式发布全新多模态大语言模型 V4。这是该公司自去年 1 月推出 R1 推理模型以来的首个重大版本更新。