速率指标 --- 例如，风险函数(hazard function)，是时点死亡率或死亡力(force of mortality)， 用于寿命表分析。量纲为时间的倒数，取值在零到无穷大，反映的是死亡发生的时点死亡密 度，不是概率。
3
?死亡效力
...ns) 生存函数(the survival function) 剩余寿命(future life time or time until death) 死亡效力(force of mortality) 生命表的构造(structure of life table) 生命表的构造(structure of life table) 选择与终极生命表(select and ultima...
4
?死亡率
... life force : 生命力 force of mortality : 死亡率；死亡力 tensile force : 张力 ...
In other words, four times as many people were exposed to 900 times the destructive force and have only suffered 0.25 percent of Haiti's mortality rate.