The mortalitycurve ascends gradually to a plateau at age 65 .
死亡曲线逐渐上升，到65岁时成平稳状态。
2
The authors drew up the life table of the David's Deer population and its growth curve, mortalitycurve 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。
3
And the curve forms of danger scale function and mortality function were coincident.