Set dimension usage with regards to measure groups.
设置与度量值组相关的维度用法。
The test gives an indication of ageing within population groups, but does not accurately measure the life expectancy of an individual, because of natural differences in telomere length.
这项测试给出了关于人群组的老化的印证,但是却没有因染色体端粒的自然差异,确切的测量出一个人的预期寿命。
Because so many factors shape health outcomes in these two groups, improvements are a good measure of the overall performance of WHO.
由于这两类人群的健康结果受到许许多多因素的左右,所以有效的措施是提高世卫组织的整体绩效。
Karpinski says to do that, the League of Conservation Voters has mounted a nation-wide campaign to build support for new climate legislation among labor,industry and veterans groups, who have been suspicious of the measure's potential impact on the American business community.
VOA: standard.2010.02.25
Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.
那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人
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