①存活曲线(survivorship curve)： 存活曲线 ： Ⅰ型：曲线凸型，表示在接近生理寿命前只有少 曲线凸型， 数个体死亡，即几乎所有个体都能达到生理寿命。
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(1)生存曲线:不同年龄个体的死亡概率,可以用生存曲线(survivorship curve)来表示.生存率是指活到某一年龄的个体占同一批出生的总个体数的比例.
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The time-specific life table and survivorship curve of M. chinense populations were established,and its population structure and spatial distribution pattern were analyzed with the theoretical distributing model and assembling intensity index. The results were as follows.
对永瓣藤种群进行统计,编制种群的特定时间生命表、绘制存活曲线,并应用理论分布模型和聚集强度指数分析种群分布格局。
参考来源 - 濒危植物永瓣藤的种群生命表与动态分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Result There were no significant differences between cemented and cementless THR as regards to clinical outcomes, possible survivorship curve and the severity of osteolysis.
结果两组病人术后疗效及假体可能生存率，股骨近端广泛骨溶解无显著差异。
The time specific life table, survivorship curve and age structure of Cathaya argyrophylla population were obtained through analysing the demography and age structures of its main coenopopulations.
通过对银杉主要群落种群的数量统计和年龄组成的分析，编绘了银杉种群的特定时间生命表、存活曲线和年龄结构图。
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