Moreover, the qualitative time is composed of key event, key person and critical period.
Moreover, the qualitative time is composed of key event, key person and critical period.
质性时间是个体生命质量的综合表征，它具有历史性、个体性和阶段性。
Moreover, the qualitative time is composed of key event, key person and critical period.
质性时间是个体生命质量的综合表征，它具有历史性、个体性和阶段性。