Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact.

即使新的种群属于不同物种，它也可以大致填补已灭绝种群空出的生态位，保持食物网的完整。

youdao

I really learned a lot from your lecture, the one about analyzing all those different segments of the population.

我真的从你的演讲中学到了很多，尤其是关于分析人口的不同阶层的那部分。

youdao

The alternative hypothesis that you can then entertain is that the proportions are different in the population of interest.

那么，另一个可接受的假设是在所研究的总体中，各种回答所占比例不同。

youdao

However,the total number of Muslims in the population differs according to different groups.

VOA: special.2010.03.05

We can define it in a couple of different ways depending on whether we're talking about sample mean or population mean.

我们有几种不同的方式去定义这个概念,取决于我们指的是,样本均值还是总体均值

耶鲁公开课 - 金融市场课程节选

So, you want to give it to them because the biology of children is different than adults, and so you need to make sure it works in that population.

你希望将疫苗分发给孩子们,因为儿童与成人在生物学上不尽相同,要确保疫苗对儿童有效

耶鲁公开课 - 生物医学工程探索课程节选

The effects of military service vary with time and within different groups of the population.

CENTERFORSECURITYPOLICY: Military service benefits civilian life

The big actuarial firm Watson Wyatt pointed out that mortality and longevity varies between different parts of the population.

BBC: Warning on pensioners' longevity

And then the county, you may attract a little bit of a different population.

NPR: Boulder Wrestles with Mega Houses