1·Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
2·The survival time was prolonged.
显著延长生存时间。
3·Medium survival time is 5 months.
中位生存时间5月。
4·The median survival time was 43 months.
中位生存时间为43个月。
5·Its memory cell survival time is longer.
其记忆细胞存活的时间则更长。
6·Survival time of recipients was observed.
观察两组受者生存期；
7·The survival time in each group was observed.
剩余各组观察带瘤生存期。
8·It can prolong mouse's survival time in hypoxia.
醒神液能延长小鼠耐缺氧存活时间。
9·The survival time of the xenografts was observed.
观察异种移植物的生存时间。
10·With vitamins but without water, survival time is sharply reduced.
只有维生素没有水的情况下，存活时间会大大缩短。