科技英语中名词修饰名词的 情况相当普遍,如otitis media(中耳炎),study population (研究人群),research paper(科研论文),research produc— tivity(科研产出力),study duration(研究期限)等。
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母体 (population) VS 理论上一个研究案的特殊集合体 研究母体 (study population) 实际从中选取样本元素(elements)的集合体 随机抽取 (randon selection) 每一个元素有相等被选取的机会
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study Population and methods 研究对象与方法
Issues Based on Study Population 研究族群相关注意事项
population-based study 以人群为基础的研究 ; 大型研究
population study 人口研究
study on population dynamic 种群动态研究
study on population dynamics 种群动态研究
study on population genetics 群体遗传学研究
un population study 联合国世界人口报告
The mean adherence rate in the study population was 96.3% (standard deviation, SD: 7.7).
研究人群中的平均依从率为96.3%(标准差,SD:7.7)。
At the Mamirauá Reserve, Martin's study population has declined by half over the past seven years.
在Mamirauá R保护区,马丁发现在过去7年里,亚马逊河豚数量已经下降了一半。
Marriage rank could be related to testosterone levels in our study population, but we lack the data to investigate this.
在我们的研究人群中,婚姻地位与睾酮水平有关,但我们缺乏数据去进一步研究。
The study says the elderly are nine percent of the total population of low and middle income countries today.
VOA: special.2009.12.28
It was only when we started to study those that we actually understood how we can best help that population.
只有当我们开始研究这些,才能了解如何帮助到整体。
But you can imagine the inability to do that in a big population study with thousands and thousands of subjects, so we have to rely on data like this.
但你们可以想象在一个大样本研究中,不可能对数以千计的研究对象做这种培训,所以我们需要依靠像这样的数据
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