The women were given fertility drugs to stimulate the ovaries.
那些妇女得到了促进卵巢功能的生育药。
It has been suggested that these figurines were an ideal type or an expression of a desire for fertility.
人们认为这些雕像是一种理想类型，或对生育愿望的表达。
He wrote: Collating old records shows that our greatness rises and falls with the living fertility of our soil.
他写道：对旧记录的整理表明，我们的伟大是随着我们土壤的丰饶而起落的。
Without federal oversight, the highly competitive fertility business may soon use the new technology to attract clients.
如果没有联邦政府的监管，竞争激烈的生育行业可能很快就会利用这项新技术来吸引客户。
In one area, it made painstaking efforts to quantify fertility preference to derive figures for planned and unplanned pregnancies.
在一个领域，它付出了艰苦的努力来量化生育偏好，以得出计划生育和非计划生育的数据。
"No one has a good answer" as to why fertility varies among countries, says sociologist Andrew Cherlin of The Johns Hopkins University.
约翰霍普金斯大学的社会学家安德鲁·切尔林说，对于为什么不同国家的生育率不同，“没有人能给出一个好的答案”。
Nature and fertility would have been all-important; they would have worshipped sun gods, water gods, moon gods and doubtless bison gods.
自然和肥沃是最重要的；他们崇拜太阳神、水神、月亮神，无疑还有野牛神。
A closer look at the fertility behavior of the poor is important because of the extensive literature on the "replacement effect" of high infant mortality.
仔细研究穷人的生育行为是很重要的，因为有大量关于婴儿高死亡率的“替代效应”的文献。
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
为了做出更准确的人口预测，人口统计学家必须比现在更多地了解生育率的社会和经济决定因素。
Two-thirds of those people who are illiterate are women and about 200 to 250 million women don't have access to birth control they want, so that they can control their own fertility.
这些文盲中有三分之二是女性，大约有2亿至2.5亿妇女无法获得她们想要的节育措施，这样她们就可以控制自己的生育能力。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
In view of this behavior it has been suggested that chemicals present in fresh buck rubs may help physiologically induce and synchronize fertility in females that visit these rubs.
这种行为表明新鲜擦痕上的化学物质可能有助于从生理上诱导并让关注这些擦痕的雌鹿同时受孕。
What causes female fertility problems?
导致女性生育能力下降的原因有哪些？
Africa's fertility rates are falling.
非洲的出生率下降了。
It symbolizes growth, harmony, freshness, and fertility.
它是生长、和谐、新鲜和丰饶的象征。
Iran's fertility fell from 7 in 1984 to just 1.9 in 2006.
伊朗生育率从1984年的7跌到了2006年的仅仅1.9。
Female fertility can be affected by your lifestyle choices.
生活方式可以影响女性的生育能力。
Across the region, fertility rates are starting to decline.
在整个非洲地区，生育率开始下降。
The nadir of fertility appears to be 1.3 children per woman.
生育力的最低点出现在每名妇女1.3个孩子。
This helps to explain why their fertility rates have fallen.
这就是生育率下降的原因。
And the trend towards lower fertility is likely to accelerate.
而且低生育率的趋势有可能加速。
The target reductions in fertility rates were reached long ago.
降低生育率的目标早已实现。
Of these relative changes, falling fertility is most important.
这些相对变化中，生育率的下降是最重要的。
The fertility rate is a hypothetical, almost conjectural number.
生育率是一种假设，基本上是推测的数字，和出生率不同。
Africa's fertility rates are falling. Can the continent take advantage?
生育率下降，非洲能否抓住这一契机？
Most women's fertility declines dramatically as they reach the age of 40.
多数女性的生育能力在她们40岁的时候会显著下降。
The link between living standards and fertility exists within countries, too.
国家内部的生活水平和生育率也存在联系。
Britain and Spain have the most liberal assisted fertility regimes in Europe.
英国和西班牙有着欧洲最自由化的辅助生育制度。
Much of Europe and East Asia have fertility rates far below replacement levels.
而欧洲和东亚大部份地区的生育率已经远远低于替换率了。
应用推荐