population double time的意思|示意
人口加倍时间
population double time的网络常见释义
群体倍增时间 形态学观察、群体倍增时间(population double time, PDT)、增殖速度趋势图、原位杂交及免疫细胞化学染色法作为评定指标。
倍增时间 500) 2.3 细胞生长曲线和接种效率 对正常细胞和受照后细胞分别测定生长曲线,得到其倍增时间(population double time,PDT),正常细胞约为65小时,R15Hp5细胞则为44~48小时,生长速率明显提高。
population double time相关例句
Statistics suggest that the population of this country will be double in ten years' time.
统计显示,这个国家人口在10年内将增加一倍。
The population of Congo, now 70m, will double in that time.
目前拥有七千万人口的刚果到那时将面对翻一番的人潮。
She collected statistics which proved that the death rate for young soldiers in peace time was double that of the normal population.
她根据收集的统计数据证明在和平时期年轻士兵的死亡率是普通人的两倍。
World population increases sharply and double time shortens greatly.
世界人口数量急剧增长,人口倍增时间大为缩短。
Its net reproductive rate, the intrinsic rate of increase and the increment rate per unit were high, but its generation span and the time of double population size were low.
种群的净增殖率、内禀增长率及周限增长率较高,而种群的世代周期及加倍时间偏低;