一旦发生交通拥堵或事故，指挥中心的工作人员可通过监控大屏及时了解现场情况，通过监控系统调取相关信息，快速开展救援行动或及时采取相应措施。
What's more, when traffic jam or accident happens, personnel from security command centers can monitor live events and carry out rescue or take corresponding actions immediately.
贵州商务厅成立“抗凝冻、保民生”应急指挥中心，建立24小时值班制度和省地两级商务主管部门一日两次抗灾救援调度会制度。
The province also runs a 24-hour duty system and requires commerce authorities at the provincial and municipal levels to hold scheduled meetings on disaster reduction twice a day.
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