Growing levels of pollution represent a serious health hazard to the local population.
日益严重的污染对当地人民的健康构成了重大威胁。
The polio drive has demonstrated that it is possible to achieve very high rates of population coverage despite weak health infrastructures and high levels of poverty.
脊灰运动表明，尽管存在薄弱的卫生基础设施和高水平的贫穷，也有可能实现很高的人口覆盖率。
Last year, the WHO report on anti-TB drug resistance documented the highest levels of multi-drug resistance ever recorded in a general population.
去年世卫组织抗结核耐药报告说明了在一般人群中结核病耐多药情况已达到前所未有的最高水平。
He notes that New Orleans is almost back to its pre-Katrina population levels, and reckons that some of those arrivals are people excited by the state's potential.
他表示新奥尔良的人口数量已经回到了卡特里娜飓风侵袭前的水平，并认为其中一部分人是冲着该州的发展潜力而赶来的。
However, the overall levels of BPA concentration were lower than those from another study looking at men in the general population.
但是总体BPA浓度水平低于另外一项对多数人群进行观察的研究中的水平。
But, he noted, "overall, the levels of guilt and distress tend to be low in the population."
他说。但是他又指出“罪恶感和痛苦感存在的趋势，只限于少部分人群。”
The study is based on a large population sample and took into account other possible factors, such as depression, season and levels of physical activity.
这项研究基于大群体样本，并且考察分析了其他可能影响的因素，如忧郁，季节和身体活动水平。
Since frogs are capable of moving several miles over land, removing trout from just a few lakes is clearly the way to restore the frog population to its former levels.
由于青蛙能够在陆上移动数英里，在少数几个湖泊中把鲑鱼捞走显然是使青蛙数量重新回复以前水平的途径。
One is the option of no intervention at all, which can lead to high levels of MTCT, and a large population of HIV positive children.
一种是选择完全不干预，这可能会导致母婴之间的高传播率，出现为数众多的HIV阳性的儿童。
Given the large population at risk, the early start of epidemics, and current moderate global vaccine levels, a sound vaccination strategy is of particular importance.
由于高危人群众多，较早开始流行，以及当前全球疫苗水平不高，所以可靠的免疫接种战略尤为重要。
Harmonization is the method to ensure population overlap and comparable levels of generalization and aggregation by the removal of duplicate data or overlapping definitions.
协调是通过去掉重复的数据或重叠的定义，确保填充重叠和类似的通用化和聚合级别。
East Asia's urban centers, increasingly where output and population are concentrated, are under threat of extreme weather, rising sea levels and other hazards.
经济和人口日益集中的东亚城市中心区处于极端天气、海平面上升和其他灾害的威胁之下。
The lower the levels of air pollution in a city, the better respiratory (both long - and short-term), and cardiovascular health of the population will be.
城市空气污染的程度越低，人们的呼吸系统(长、短期)和心血管健康状况就会越好。
Physical inactivity levels are rising in many countries with major implications for the prevalence of noncommunicable diseases (NCDs) and the general health of the population worldwide.
许多国家缺乏身体活动的人群比例在不断增加，并对全世界人群的一般健康状况和慢性非传染性疾病的患病率有重要影响。
The United States more than doubled its Internet population in the same time, but needless to say, wasn’t able to reach those levels of growth.
同一个时间段内，美国的互联网用户增长了一倍左右，但不用说，是无法达到中国的增长水平的。
As a population of West African chimpanzees dwindles to critically endangered levels, scientists are calling for a definition of personhood that includes our close evolutionary Cousins.
西非黑猩猩的数量已经降到一个极其危险的地步，科学家们开始号召对包括咱们远方亲戚在内的猩猩来一次人种定义。
Vitamin D has become a very hot topic in medicine now as we are discovering very high levels of Vitamin D deficiency in our population, not only in the United States, but worldwide.
他说：“现在，我们发现不仅美国人缺乏维生素D的比例很高，全世界都是如此，因此维生素D成为医学界的热门话题。”
With dwindling oxygen levels, Marine animals were unable to survive, wiping out large chunks of their population.
随着氧气浓度降低，海洋动物无法生存，因而大量动物灭绝。
Those include the need to make room for a population that has doubled and a loss of low-lying areas along the San Francisco Bay due to rising sea levels.
这其中包括为沿旧金山湾的人们提供更多空间，由于海平面不断上升，这里的人口已增加一倍，低洼地区也在不断减少。
"It's an idea clearly worth consideration as technology develops," he said. "Segmenting the passenger population for different levels of security screening is exactly what we're pursuing."
“随着科技的进步，这无疑是一个值得考虑的理念”，皮尔·斯托说，“将乘客分类进行不同水平的安检扫描正是我们所需要的”。
People with MS tend to have lower than normal blood levels of vitamin D compared with the general population.
与普通人群相比，患有MS的病人血液维生素D水平倾向于比正常低。
The patients who had two working copies of the BDNF gene were no more likely to develop childhood onset obesity than the general population, and did not report unusually high levels of overeating.
有两条正常BDNF基因的患者与普通人群相比，不太可能在儿童期开始发胖，也没有报告不正常的超常的暴食。
There are several reasons to be concerned about the below population replacement fertility levels in all of Europe and about half the world's population, including China and Japan.
在整个欧洲和几近半数的世界人口中，包括中国和日本，对于下降的人口更替生育水平有一些原因可以考虑。
There are several reasons to be concerned about the below population replacement fertility levels in all of Europe and about half the world's population, including China and Japan.
在整个欧洲和几近半数的世界人口中，包括中国和日本，对于下降的人口更替生育水平有一些原因可以考虑。
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