It showed that the plasmapheresis donors were the risk population to be infected with malaria.
证实了单采浆献血者是感染疟疾的危险人群。
It is futile to expect a hungry and squalid population to be anything but violent and gross (Thomas H. Huxley).
期望饥锇和贫穷的居民不狂暴和粗野是无用的(托马斯h。赫克斯利)。
I still have faith in the well-educated population to be perfectly capable of rational and independent thinking.
不过我还是相信受过良好教育的人会比较理性和具有独立思考能力。
"It is futile to expect a hungry and squalid population to be anything but violent and gross" (Thomas H. Huxley).
“期望饥锇和贫穷的居民不狂暴和粗野是无用的”(托马斯h。赫克斯利)。
Population to be installed in planned production in planned relocation should be both calculated with weighted average method.
计划生产安置人口、计划搬迁人口均应采取加权平均法计算。
Overall "we estimated the decline in this pig-nosed turtle population to be more than 50% since 1981," said Professor Eisemberg.
总体而言“我们估计从1981年以来猪鼻龟数量的下降超过了50%,”艾森·博格教授说道。
According to the American College of Obstetricians and Gynecologists, pregnant women are four times as likely as the general population to be hospitalized for the 2009 H1N1 influenza virus.
美国妇产科医生协会指出,孕妇感染2009年H1N 1流感病毒的几率是普通人的四倍。
Roughly one-half of the world's population, including virtually all of East and Southeast Asia also, is wholly dependent on rice to be its staple food.
世界上大约一半的人口,包括几乎所有的东亚和东南亚国家,都完全以大米作为主食。
Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods.
因为每个个体的生命都是短暂的,“机会主义者”这类物种的群体数量很可能受到干旱、严冬或者洪水等不利因素的影响。
The best information on early population movements is now being obtained from the 'archaeology of the living body', the clues to be found in genetic material.
关于早期人口迁移的最佳信息现在可以从“活体考古学”中获取,这是在遗传物质中发现的线索。
Looking still further ahead, by the end of the next century world population is expected to be about ten billion.
再往远看,到下个世纪末,世界人口预期达到一百亿左右。
It is perhaps surprising to argue that an employed population could be enticed to move, but an explanation lies in the labor conditions then prevalent in the South.
一个有工作的人口可能会被吸引到别处去,这种说法也许令人吃惊,但一个解释在于当时在南方盛行的劳动条件。
Compared with the rest of the population, older people are also more likely to own their own homes and be less mobile than renters, who can move to new job markets.
与其他人口相比,老年人更有可能拥有自己的房子,他们的流动性也比租房的人小,因为后者可能转移到新的就业市场。
Everything considered, heterogeneity and unusual behavior seem to be outcomes of large population size.
从各方面考虑,异质性和不寻常的行为似乎是人口规模庞大的结果。
What can be done to ensure enough food for the world's population to live on?
为了确保全世界的人口都有足够的食物维持生活,我们能做些什么?
In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.
广义上讲,性状遗传性衡量的是群体成员间的差异在多大程度上可以用基因差异解释。
More irrigation works would have to be built to feed the growing population, and this resulted in more power and wealth for the elite.
国家必须修建更多的灌溉工程来养活不断增长的人口,这为精英阶层带来了更多的权力和财富。
About 75% of the world's population will live in cities by 2050, so cities will need to be more modern to deal with the coming problems.
到2050年,全球约75%的人口将居住在城市,因此城市需要更加现代化才能应对未来的问题。
Older people must be given more chances to learn if they are to contribute to society rather than be a financial burden, according to a new study on population published recently.
根据最近发表的一项关于人口的研究,如果老年人要对社会作出贡献而不是成为经济负担,就必须给他们更多学习机会。
"While the population is growing and needs to be fed, a rapidly shrinking number of people are willing to work in agriculture," he points out.
他指出:“虽然人口在增长,需要养活,但愿意从事农业工作的人却在迅速减少。”
This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.
这进而对它们的饮食产生了重大影响,促使科学家们推测,学习特定种群狩猎方法的能力可能推动了这些动物的基因发育。
Thanks to slowing population growth, land currently ploughed up for crops might be able to revert to forest or wilderness.
由于人口增长放缓,目前用于种植作物的耕地可能会恢复成森林或荒野。
The report, to be released Friday, analyzed data and existing studies of health, disaster, population and economic trends.
这份将于周五发布的报告分析了有关健康、灾害、人口和经济趋势的数据和现有研究。
No matter what we do to restore habitat or support population growth, we may never be able to restore that culture.
无论我们做什么来修复栖息地或支持其数量增长,我们可能永远无法复原其文化了。
For example, new survey techniques have enabled us to detect population increases when the starfish are quite young, so we can be ready for them.
例如,新的调查技术使我们能够在海星很小的时候就发现它们的数量增加,所以我们可以为它们做好准备。
If their population is tracked through time, it will be seen to be particularly unstable—soaring and plummeting in irregular cycles.
如果对它们的数量进行时间记录,就会发现它是很不稳定的——以不规则的周期急剧上升下降。
Population cycles are characteristic of small mammals, and they sometimes appear to be brought about by predators.
数量的周期循环是小型哺乳动物的特征,它们有时似乎是由捕食者造成的。
Consequently, the survival rate of lobster larvae must be going up, and the lobster population in Foerkland's coastal waters is bound to increase.
因此,龙虾幼虫的存活率必然会提高,而福岛沿岸水域的龙虾数量也必然会增加。
Astronomers have long speculated that the missing baryonic mass might eventually be discovered in intergalactic space or as some large population of galaxies that are difficult to detect.
天文学家长期以来都在推测,最终可能会在星际空间或者是在难以探测的大量星系中发现丢失的重子质量。
Astronomers have long speculated that the missing baryonic mass might eventually be discovered in intergalactic space or as some large population of galaxies that are difficult to detect.
天文学家长期以来都在推测,最终可能会在星际空间或者是在难以探测的大量星系中发现丢失的重子质量。
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