The population dynamic of Tsuga tchekiangensis in Wuyishan Nature Reserve was studied and its age structure, the life table, survival curve, mortality rate and killing power curve were analyzed.
对武夷山自然保护区南方铁杉种群动态进行了系统研究，绘制该种群的年龄结构，编制静态生命表，分析存活曲线、死亡率曲线和损失度曲线。
The authors drew up the life table of the David's Deer population and its growth curve, mortality curve and survival curve in Dafeng nature reserve area.
通过编制大丰自然保护区麋鹿种群生命表，绘制其种群增长曲线、死亡率曲线以及存活曲线。
The community feature, size-class structure, the regulation of changing density were analyzed and the survival curve, the death curve and the life table were worked out.
分析了白皮松的群落学特征、径级结构及其密度变化规律；绘制了存活曲线和死亡曲线，从多角度研究了白皮松幼林种群的动态变化规律。
Table 1 shows a comparison summary between Lean and Six Sigma; the common element for both systems is a management system aimed at long term business survival by making more profit.
由上表可见两者都需要以企业生存和持续盈利为长期目标作为推行的基础。
Cox regression was used to screen out single and multiple risk factors. Cumulative survival rate was calculated by life table and Gehan score test.
单因素生存分析用寿命表法计算，以生存曲线描述生存率，并进行Gehan比分检验。
Cox regression was used to screen out single and multiple risk factors. Cumulative survival rate was calculated by life table and Gehan score test.
单因素生存分析用寿命表法计算，以生存曲线描述生存率，并进行Gehan比分检验。
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