Future smoke alarms might use very different tech. Researchers have developed an AI-based system that uses machine learning to detect fire in video feeds. The tool can spot fire and smoke in footage from "any camera", says Prabodh Panindre at New York University – including CCTV, doorbell cameras and phone cameras.
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南方周末记者注意到，浙江、江苏、江西、湖南、福建等大多数省份的户口登记管理规定中，均包含了与国务院文件精神一致的“其他无户口人员”条款。
Role, BBC商業事務記者