大规模的自然灾害造成人员伤亡、基础设施损失,由此会对公共服务体系的结构造成较大的影响,导致公共服务功能发生紊乱,这就会相应地产生公共服务恢复和重建的需求。而且灾后会产生新的公共服务的需求,比如说需要为住所受到破坏的受灾群众提供临时住 Large-scale natural disasters cause human casualties and infrastructure losses, which will have a greater impact on the structure of the public service system, resulting in disruption of public service functions, which in turn will generate the demand for public service restoration and reconstruction. And after the disaster will generate new public service needs, such as the need to shelter the affected people to provide temporary shelter