The teams and groups to strengthen the control and management, indicating the nature or type of danger or hazard, standards, and other matters of attention, in order to alert the scene personnel.
各班组要强化控制管理,标明危险或危害的性质、类型、标准定量、注意事项等内容,以警示现场人员。
But where the boundaries between danger, potential damage and safety lie, and how they vary with the type and number of ash particles, was not taken into account in the decisions to close airspace.
但是,在决定关闭机场时并未考虑何为危险、隐性伤害和安全间的界限以及这三种级别如何随火山灰微粒类型与数量的变化而改变的因素。
Another reason it was hard to notice the danger of this new type of distraction was that social customs hadn't yet caught up with it.
人们没有意识到这种危险的另外一个原因就是因为它尚未遭到社会否定。
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