Results from population surveys in ten countries showed more than 60% of HIV-positive people did not know their HIV status.
在十个国家所作的人口调查结果显示，超过60%的艾滋病毒阳性者并不了解其艾滋病毒状况。
Some of the surveys included only college students; others were done with a mixed-age population.
有些调查只包括了大学生群体；其他的则针对各个年龄段的人群。
So they took the data they gathered from national censuses and surveys, and projected it forward based on what they knew about population growth in each country.
所以他们收集了来自国民人口统计和调查的数据，并根据他们对各个国家人口增长情况的了解做进一步的研究。
Censuses and surveys can be used to estimate population Numbers, but do not provide information on causes of death.
可通过普查和调查来估算人口数量，但这无法提供死亡原因信息。
Surveys have shown that, in 1993/1994, close to half of the population was living under the poverty line. In 2007, that portion fell to under a third.
调查显示，1993-1994年间，全国近半数人口生活在贫困线以下，而2007年这一比例下降到三分之一以下。
Surveys in Britain and America suggest that 7-9% of the population use Twitter, compared with almost 50% for Facebook.
一项在英美两国进行的调查显示，7-9%的人口使用Twitter，相比之下近一半的人使用Facebook。
Each month the Census Bureau on behalf of the Bureau of Labour Statistics surveys 60,000 households, then extrapolates the results to the entire American population.
每个月人口调查局会代表劳工调查局对6万户家庭进行住户调查，然后将推算结果用于整个美国人口。
Each month the Census Bureau on behalf of the Bureau of Labour Statistics surveys 60, 000 households, then extrapolates the results to the entire American population.
每个月人口调查局会代表劳工调查局对6万户家庭进行住户调查，然后将推算结果用于整个美国人口。
More than one-fifth of Japan’s population is already over 65, and surveys indicate that older people tend to eat out less.
如今，日本超过3分之一的人口年龄已高于65岁，而调查显示老年人更少外出就餐。
Collected in surveys and censuses -three billion people will participate in population and housing censuses this year alone -statistics affect the planning of schools, hospitals, roads and much else.
仅今年一年，就将有30亿人参加人口和住房普查，在各种调查和普查中收集的统计数字影响着建设学校、医院、公路和许多其他设施的规划。
Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.
虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。
Surveys in 12 high-burden countries in sub-Saharan Africa showed that a median of just 12% of men and 10% of women in the general population had been tested for HIV and received the results.
对12个负担沉重的国家，例如撒哈拉以南非洲国家的调查表明，一般民众检测艾滋病毒并得到结果者的中位数仅为男性12%，女性10%。
She pointed to other surveys suggesting that "around half" of the city's population supports the Gazprom tower.
她指出一些调查显示“大约一半”的城市居民支持建Gazprom塔。
You cannot track the decline and survival of the tiger population in surveys conducted every four years.
在每四年进行一次的调查中，你不能够跟踪老虎数量的下降和存活。
Every year, the world Happiness Index surveys numerous people from various countries around the world in search of, as the name implies, which country has the happiest population.
每年，世界幸福指数都会对世界各个国家的人们进行调查，顾名思义，也就是调查哪个国家的人过的最幸福。
"Evidence from a series of range-wide national surveys indicate that the previous population decline has been arrested, and the population has started to increase, " said the IUCN's updated report.
国际自然保护联盟的更新报告说道：“一系列广泛的全国性调查的证据表明，之前滚滚数量下降的局面被遏制住了，并且已经开始反弹增加了。”
The surveys have identified sections of the human genome that, when deleted, can elevate the risk of developing schizophrenia by up to 15 times compared with the general population.
检测鉴定出了特定的人类基因组片断，当其缺失时，精神分裂症的患病风险将大幅升高，超出一般人群约15倍。
According to Gallup surveys, about half of the American population had a positive view of Russia three years ago.
根据盖洛普调查大约有一半的美国人三年前对俄罗斯表示看好。
Two study limitations include the use of self-reported food recall surveys and the fact that receptor data were only available for 65.4% of the population studied.
此项研究存在两个局限，包括受试者自身报告的食物摄入回忆调查准确性的保证及受体资料在调查人群中的不完全性(其中只有65.4%的人资料完备)。
But more than showing that illiteracy has persisted over time, the Department of Education surveys have also revealed its extent across the U. S. population.
美国教育部的研究除了显示出美国的文盲现象已持续存在多年，亦揭露出文盲现象在美国广泛遍布的程度。
First came the U. s. surveys, which show millionaires down about 30% - both in wealth and population - as a result of the global financial crisis.
首先，据美国的一项调查显示，受金融危机的影响，亿万富翁的财产及人数都减少了30%。
First came the U. s. surveys, which show millionaires down about 30% - both in wealth and population - as a result of the global financial crisis.
首先，据美国的一项调查显示，受金融危机的影响，亿万富翁的财产及人数都减少了30%。
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