抽样总体

combined population───人口总和

adult population───成年人口

jail population───监狱人口

large population───庞大的人口

native population───地方种群；本土居民

whole population───整个种群

ageing population───老龄化人口

Methods A total sampled population of 3308 from 35 selected spots in Eryuan County by random sampling were investigated.───方法采用随机抽样法在全县抽取35个自然村为调查点，每个调查点随机抽取35户居民作为调查对象。

They also sampled tissue from deer killed by hunters in the same area, to get an idea of the infection rate in the general population.───他们还提取同一地区被猎人捕杀的黑尾鹿的身体组织样本，以了解一般种群中此类疾病的感染率。

Among the sampled population, the unemployment rate is 6.08%, with even higher one in cities, especially in old cities.───人口抽样失业率为6 .0 8% ，城区失业率较高，老城区人口失业问题更严重。