Inverters can also automatically event of the failure of the faulty electrical switch to the state of emergency frequency.

也可以在变频器发生故障时自动将发生故障的电机切换到工频状态应急工作。

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To determine the frequency and nature of childhood injuries and to explore the risk factors for such injuries in low-income countries by using emergency department (ED) surveillance data.

利用急诊室的监测数据确定低收入国家儿童受伤的频率和性质，并探讨造成此类伤害的风险因素。

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Emergency fire and police calls are also logged and reported, and Mrs Babbage grows concerned about the frequency of aid responses to an elderly homeowner up the street.

突发火灾及警方传唤也会被记录和报告，而巴贝奇太太越来越关心对街上上了年纪的屋主的回应援助的次数。

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If there is still no response, a distress alert will be transmitted on the emergency frequency to the nearest coastguard and nearby shipping.

BBC: Alan Rankin on his yacht Trade Winds

Making matters worse, someone issued a call on the police emergency frequency saying that a local police commander had been kidnapped, and requesting local police from several municipalities to come to the scene.

WSJ: Mexico Cracks Down on Local Police Corruption

This allowed us to create sample scenarios to showcase ingenuity and innovation, including how the mobile app can alert individuals on its location and areas to avoid for a fire, flood or terrorist attack, all by aggregating emergency frequency broadcast and GPS technology.

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