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。
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