Panindre and colleagues have even attached the detection system to drones, which could help firefighters faced with pinpointing a blaze in a high-rise building: "These drones can actually go around the building and capture the location of the fire."
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"Mass crowds at stadiums and cultural sites place immense strain on mobile networks," says Gareth Elliott, director of policy and communications at trade association Mobile UK, "often exceeding local capacity as thousands share limited bandwidth simultaneously."，更多细节参见夫子
principal, which is preserved in perpetuity.