1. 成活率：掺烧比:blending ratio | 成活率:Survival ratio | 复发率:relapse ratio
2. 存活比：survey 测量 | survival ratio 存活比 | susceptibility 敏感性
3. 存活率：Survival probability 存活機率 | Survival ratio 存活率 | Survivor test 生存試煉
4. 生存率：survival rate ==> 生存率 | survival ratio ==> 生存率 | survival rations ==> 救生口粮,救生口粮