人员必需安全疏散时间一般是通过建立人员疏散模型来确定。
The required safety egress time of people is generally determined by setting up evacuation model.
人员能否安全疏散取决于人员的必需安全疏散时间是否小于建筑物的可用安全疏散时间。
People can safely evacuate which depends on the required safety egress time of people less than the available required safety egress time of building.
性能化防火设计中人员能否安全疏散用可用疏散时间、所需疏散时间来判断。
The safe egress of the people in the design can be judged by the available egress time and required egress time.
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