Needs-driven: Mobilisation and deployment of international USAR Teams is only supported when the affected country's capacities are overwhelmed by the impact of a collapsed-structure emergency and national authorities agree to accept international assistance. Moreover, the type of international assistance rendered is based on the needs of the affected country and not driven by the availability of resources.

需求驱动：只有当建筑物倒塌情况的影响超出受灾国处置能力，且该国政府