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命令标志的含义:以强制性、命令式的办法,要求公众必须遵守。促使或监督公众立即采取行动,保障人或设备安全,防止意外灾害和伤亡事故发生。
The meaning of the command sign: In a mandatory and imperative manner, the public is required to obey. Promote or supervise the public to take immediate action to ensure the safety of people or equipment and to prevent accidental disasters and casualties.