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By the end of eighteen eighty-one, the town of Tombstone had a population of more than five thousand.
VOA: special.2010.02.15
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Some people in the population are more biologically vulnerable than others, and the Pimas appear to be one of those groups.
人群中有一些群体,在生物学上处于弱势,皮玛族就是其中之一
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One, because we have such a diverse population in San Francisco,
首先，因为在旧金山有来自各个种族的人，
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Alaska is the biggest of the fifty states by territory but one of the smallest by population.
VOA: special.2009.03.02
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SIPC did a survey of the U.S.population and this is one of the--In 2001, this is one of the questions SIPC asked.
证券投资者保护公司做过全民调查,在2001年,证券投资者保护公司调查问卷的问题之一
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The United Nations estimates that females age ten to twenty-four are one-eighth of the world's population.
VOA: special.2010.06.24
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But in general, for each neurotransmitter that released it there would only be one population of receptors that's ready to receive it.
但总体说,每一种在此释放的神经递质,只能被一类受体接受
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They designed highways to reach every city with a population over one-hundred-thousand.
VOA: special.2010.01.11
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When one thinks about changing the health of a population diet has to be considered one of the possible places to intervene.
如果想要改变一群人的健康状况,饮食一定会是着手点之一
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by June of next year. That is almost one-third of its population.
VOA: special.2010.04.28
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All of those slave societies had a population of slaves that was from one-quarter to one-half, and sometimes more, of the total population.
这些奴隶社会的奴隶人口都占总人口,的三分之一到一半,有时甚至更多
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Muslims are also less than one percent of the population.
VOA: special.2010.03.05
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One answer, and it's the one that is most widely believed among Greek scholars, is that the growth of population that we have mentioned in connection with the rise of the polis is still working once the polis comes into form.
原因之一是,这个原因是被广大古希腊学者们所接受的,那就是,人口的增长与城邦的数量,在城邦兴起的阶段还是基本一致的
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That represents about one-sixth of the population.
VOA: special.2010.06.15
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What this does, when you use relative risk you take some group of the population and you establish their risk as--at one.
当运用相对危险度这个概念时,要选定一个群组,并把这个群组的风险设为1
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Leaving only a handful that survived. Flight Eleven and One Seventy-Five with the illegal medications that overdosed our population, led us to receive a leave of absence for an unnecessary vacation and we became addicts.
VOA: special.2009.04.17
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Because nutrition is going to be one of the big problems of your generation; how to have enough nutritious food for the population as it grows.
因为营养,对你们这一代人是个大问题,怎样才能确保食物的质和量,能够满足日益增长人口的需求
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According to the World Health Organization, one sixth of the world's population suffers from one or more of the neglected diseases.
VOA: standard.2010.04.05
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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
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That's about one in six people of today's population compared with a marginally better one in seven 10 years ago.
VOA: standard.2010.03.29
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If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.
如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口
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IFAD estimates 500 million smallholder farms worldwide are supporting two billion people -- one third of the world's population.
VOA: standard.2010.03.29
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For now, just know that different kinds of cells, one of the ways they're different is that they express different proteins and the population of proteins on the surface of different cells is different.
现在,你们只要知道有不同的细胞,它们之间的一种区别,就是它们表达不同的蛋白,而不同细胞表面的蛋白种类,也是不同的
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About one thousand participants are meeting to find ways of ensuring food security for a rapidly growing world population.
VOA: standard.2010.03.29
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It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.
这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况
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They have predicted that up to one fifth of the Australian population about four million people could be infected by the swine flu virus.
VOA: standard.2009.05.30
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In spite of that fact, it turns out that vaccines are one of the best uses of our money in terms of extending the lives of population.
尽管事实如此,结论显示,疫苗是在众多延续人类生命,花费中最好的方式之一
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It finds that 7.4 million people, or nearly one-third of the population, are short of food.
VOA: standard.2009.08.07
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And in San Francisco, a full one-third of the population is of Asian descent.
VOA: standard.2010.07.26
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But only one third of China's vast population is enjoying a modern lifestyle;
VOA: standard.2010.08.03
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