population group

boat dwellers were a special population group in chinese history and the study of them lasted many years.

船民是中国历史上形成的一种特殊人口，对船民的的研究也持续了很多年。

adverse economic effects of having a large elderly population group

长者人口大对经济的不良影响

population: group of individuals of one species in an area

种群：一个区域内同种个体的总称

evidence is presented that support an important role of the kidney in the excess incidence of hypertension in this population group.

证据是一个重要的支持作用的肾性高血压的发病率超过了这一人口群体。

The student small group is a kind of small related population group which is composed of students who have some common points and interaction.

学生小群体是由有某种共同点的学生之间因互动而生成的人数较少的关联体。

vytorin may yet have a bright future as a targeted remedy for a much smaller population group, rather than as a blockbuster.

Vytorin如果作为一种针对少数人群的靶标药物而非重磅炸弹药物，那它的前景应当是光明的。

the gaps between rich and poor, between one population group and another, between ages and between the sexes, are widening.

富人和穷人之间的差距、一个人口群体和另一个群体之间、年龄和性别之间的差距都正在扩大。

in the developed world, the very old (age 80+) is the fastest growing population group.

在发达国家，老年人（年龄80以上）是增长最快的人口群体。

study on link between arsenic content in soil and lung cancer rate of non-arsenic exposed population group

土壤中砷含量与非砷职业暴露人群肺癌发病关系研究

clear focus on a population group vulnerable to hiv.

重点针对艾滋病易感的一个人群。

highly-educated young urban women are a special population group in china.

高学历都市青年女性是社会的一个特殊群体。

PCR in combination with microscopical examination and ELISA was employed to study the epidemiology of amoebiasis in a population group of 40 persons.

用PCR，镜检及ELISA方法对一组人（40例）进行阿米巴流行病学检测。

the next largest population group are maori, about 15%in 2001.

另外毛利人是最大的一个人群，在2001年占据了15%。