"You have a very large population of people stuck inside a combat area serving as a buffer between an impending government assault and Tamil Tiger resistance.
VOA: standard.2009.04.26
The problem with--there's a problem with gambling behavior because in a certain fraction of the population we have pathological gambling.
赌博行为有个特殊情况,在人群中总会有一小撮人,我们称之为病态赌博
Norway has a much smaller population than the UK and they have a lot of oil up there in the North Sea.
挪威的人口比英国的要少得多,而且他们在北海拥有大量的石油。
"There is an element of truth in that,". "But the option to simply starve a large population of civilians because you have a parasitic insurgency group attached to them is not a choice.
VOA: standard.2009.04.26
You have to make those calculations and there are errors in that, but you come away with a population estimate of things like that.
你必须把这些都算进去,因为其中存在误差,但这样你会得出,整体人群摄取量的估算值
Mr.Bani Sadr argues the Iranian people have good reason to be upset with the results of the election: He insists that for a population that wanted to express itself and vote, this kind of fraud is unacceptable and thus people have taken to the streets to protest.
VOA: standard.2009.06.14
You have to test it by giving the vaccine to a large population of people, and then watching and seeing if you've reduced the incidence of the disease.
这样的测试的做法只能是,给大量人群分发疫苗,接着观察和了解,这种疾病的发病率是否有所降低
All tended to have a high slave-to-free ratio of population.
人口中奴隶所占的比例 都是非常高的
Half of Americans have at least one, so it's affecting a lot of the population.
半数美国人至少患有一项慢性疾病,可见其影响之广
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
When you look at the risk of consequences from metabolic syndrome in the population, you have to know a person's race to some extent to understand how high their risk really is.
如果想要考察某人群,患代谢综合征的风险,就要知道一定的种族信息,这样才能较准确地知道他们的患病风险度
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