Maintain evacuation plot plan, exit sign and emergency light in the dormitory and canteen area.
在宿舍与小卖部保留定点撤离计划，出口标记及应急照明。
Focuses had sign of the patch shaped low-density areas and high-density plot area scattered in them. They all had mass effect in different degree.
病灶为大片低密度影内可见散在、分布不均匀的斑点或斑片状高密度影，有程度不一的占位效应。
Focuses had sign of the patch shaped low-density areas and high-density plot area scattered in them. They all had mass effect in different degree.
病灶为大片低密度影内可见散在、分布不均匀的斑点或斑片状高密度影，有程度不一的占位效应。
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