增长率反推死亡人数
growth backstepping death toll method
胚胎死亡规律
embryo death regular pattern
Death regular pattern of embryo
日呼吸系统疾病死亡率
daily respiratory system disease mortality
事故死亡人数预测
forecast accident death toll
死而不亡
Physically died but legacy remains
死亡人口月分布
Monthly distribution of death