香港已将其紧急手机警报系统的激活时间从一小时大幅缩短至仅15分钟。这项投资1.5亿港元（合1900万美元）的升级还允许将警报定向到特定区域。这些变化是由对一起致命火灾事件的审查促成的，该事件凸显了之前系统响应缓慢。紧急警报系统成立于2020年，此前仅使用过一次，用于指定一家医院接收COVID-19患者。 AI
排序理由 这是政府实体关于公共安全基础设施的一项重大政策变更。
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香港将紧急警报时间缩短至15分钟
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- 这是政府实体关于公共安全基础设施的一项重大政策变更。
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- Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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报道来源 [1]
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香港将紧急手机警报激活时间从一小时缩短至15分钟
Hong Kong authorities have slashed the time needed to send emergency mobile alerts to residents from an hour to 15 minutes under a HK$150 million (US$19 million) system, while messages can now be tailored to specific districts, the security chief has revealed. A hearing session i…