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emergency warning standard
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emergency warning standard
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突发事件预警标准
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emergency warning standard
突发事件预警标准
预警是在灾害或灾难以及其他需要提防的危险发生之前,向相关部门或特定人群发出紧急信号,报告危险情况,以避免危害在不知情或准备不足的情况下发生,从而最大程度的减轻危害所造成的损失。
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