According to this theory, which is often termed the spiral view of history, human societies do repeat a cycle of stages, but overall progress observable in the long historical perspective.
根据这个经常被称为螺旋式历史观的理论,人类社会确实重复着一个阶段性的循环,但从长期的历史角度来看,总体的进步是可以观察到的。