That affects the economy. In rural communities, if the population is always sick, they can't work in the fields and production suffers.

VOA: standard.2009.04.25

I don't know if like the immigrant population is, in America is growing, but

我不知道美国的移民人口是不是在增加，但是

中国的影响力 - SpeakingMax英语口语达人

And this is a conservative response to the mobilization of French workers, and this says the working class population won't at all listen to bad advice.

这是对于,法国工人运动的一个保守回应,这意思是,工人阶级,不会听从不合理的建议

耶鲁公开课 - 1871年后的法国课程节选

In Alexandria, the local Egyptian population resented the Jews because they were recognized as a legal ethnicity in Alexandria, and they weren't given complete privileges of the Greeks in-- Alexandria was a Greek city.

比如在亚历山大港，当地埃及人仇视犹太人,因为他们在当地是合法少数民族，而埃及人却没有任何希腊特权。。。,亚历山大港是希腊式城市。

耶鲁公开课 - 新约课程节选

Because on second exposure there's another population of cells that I haven't mentioned before that remain after the primary exposure and those are called memory cells, they're down here.

因为在再次免疫中,有另外一些细胞,我之前并没有提到过它们,在初次免疫结束后保留下来的细胞,被称为记忆细胞,它们在下面

耶鲁公开课 - 生物医学工程探索课程节选

So more than doubling the risk can certainly site to the population Now these kind of results show how important it is to do studies that don't group everybody in the population together.

由图可见,发病率差异量超过一倍,这些研究结果表明,在研究过程中分组的重要性

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, it also illustrates that one of the things you do after you introduce a vaccine, you can't stop there, you have to continually watch what's happening with this disease in your population.

同时,也告诉我们,将疫苗推向公众后,你不能就此放手,你必须得继续观察,接种过疫苗的人中,该疾病的发病情况

耶鲁公开课 - 生物医学工程探索课程节选

It wasn't used in the general population.

该疫苗没有用于普通大众

耶鲁公开课 - 生物医学工程探索课程节选

Again, you can't even correct for it because, let's just say, the whole population overestimated calories and things were underestimated by 30% percent, well then you just put in that correction and you know what you got.

你甚至无法纠正这个误差,因为,比方说,整个总体人群都高估了卡路里,或者都低估了30%的卡路里,研究人员纠正误差才能得到正确数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The antigen has to be presented to helper T-cells, those helper T-cells have to stimulate a B-cell population to both proliferate and differentiate.

抗原需要被呈递给辅助性T细胞,这些辅助性T细胞需要激活B淋巴细胞,使其增殖和分化

耶鲁公开课 - 生物医学工程探索课程节选

So, that's antigen presentation to this population of cells called cytotoxic T-cells, Tc, a subset of the class of T-cells in the immune system.

这些细胞被呈递给另一种细胞,这些细胞被称为细胞毒性T细胞,是免疫系统中T淋巴细胞的亚群中的一种

耶鲁公开课 - 生物医学工程探索课程节选