Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.
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履行网络犯罪防治义务的具体要求,由法律、行政法规或者国家标准的强制性要求作出规定。相关国家标准由国务院公安部门、国家网信部门、国务院标准化行政主管部门会同行业主管部门等制定。