Three-span model is more coincident with fact than one-span model. Response components in one-span model are lagger than those in three-span model in brief.
Three-span model is more coincident with fact than one-span model. Response components in one-span model are lagger than those in three-span model in brief.
采用三跨模型计算，比采用单跨模型更符合实际，单跨模型的反应整体上大于三跨模型。