Objectives: To analyze the extent and pattern of youth participation in adolescent reproductive health policy making and implementation in China.

目的：分析我国青少年生殖健康政策决策和实施过程中“青年参与”的程度和方式。

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In reproductive period, the dead leaf biomass increased steadily in a linear pattern, with the determination coefficient R2 ranged from 0.471 to 0.676.

枯叶生物量在生殖生长期有着较为稳定的线性增长规律，相关性模型确定系数R 2为0.471 ~ 0.676。

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