Scientists are also working to develop chemicals to control the birth rate in deer populations.
科学家们也在努力研制化学物质来控制鹿群的出生率。
Birth rate and the stork population are connected.
出生率与鹳的数量有关。
The newly domesticated animals behaved better, were easier to control, and may have enjoyed a higher birth rate, which in turn yielded greater milk supplies.
新驯养的动物表现更好,它们更容易控制,出生率也更高,且反过来也会提供更多奶源。
Martine puts it down to, among other things, soap operas and installment plans introduced in the 1970s. Both played an important, although indirect, role in lowering the birth rate.
玛蒂娜将其归因于20世纪70年代推出的肥皂剧和分期付款计划。尽管是间接的,但两者在降低出生率方面都发挥了重要的作用。
The impact of dropping birth rate on developing countries may not be immediate but disastrous.
生育率下降对发展中国家的影响可能不是立竿见影的,而是灾难性的。
The birth rate in the 21st century may be much lower than it was in the 20th.
21世纪的出生率可能比20世纪低得多。
Martine puts it down to, among other things,soap operas and instalment plans introduced in the 1970s. Both played an important9 although indirect, role in lowering the birth rate.
玛蒂娜将其归因于20世纪70年代推出的肥皂剧和分期付款计划。尽管是间接的,两者在降低出生率方面都发挥了重要的作用。
The birth rate plunged from the highest in Canada to the lowest.
该省的出生率在加拿大也从第一骤降至最后一名。
Although the birth rate has edged up since then to 1.5, it would take a huge social change to push it as high as is needed.
尽管此后生育率略微上升到1.5,但将出生率推动到所需要的高比率将带来巨大的社会变革。
That is not trivial, but Dr Grant reckons it is cheaper than other ways of boosting the birth rate.
这些价值颇高,但是格兰特先生这种方式并其它提高婴儿出生率的方式要更省钱。
It would be interesting to examine the role played by the state in these two demographic giants in regulating the birth rate.
研究这两个人口大国在控制人口出生率中扮演的角色将会是很有趣的一件事情。
Rather, the evidence suggests a whole host of measures, often designed to achieve other social goals, can boost the birth rate almost as a side-effect.
而且,证据表明许多设计来获得其他社会目标的措施,几乎都会使得增加出生率作为副作用而出现。
The CDC study did not explore why the teen birth rate is at an all-time low.
疾病控制中心的研究并没有探究出为什么青少年出生率总是处于低比率状态。
And he suggested that a revival in the birth rate across Russia was a sign that ordinary Russians did not share the gloomy pessimism of the Valdai club.
他也提到,俄罗斯出生率的提高也暗示普通俄罗斯民众并没有和瓦尔代俱乐部持有同样悲观的态度。
In Japan, the birth rate is so low that the population is expected to shrink 21% between now and 2050.
在日本,出生率非常低,以至于人口从现在到2050年间,将减少21%。
Birth rate, gender equality, education and poverty are inextricably linked.
生育率、性别平等、教育都与贫困不可避免地相互关联。
The falling birth rate and growing popularity of overseas educations have combined to pull down the number of people competing to get into China's universities.
人口出生率的下降以及越来越多的人出国留学,共同导致了参加高考人数的减少。
That can no longer be taken for granted. The decline of marriage is also contributing to the collapse in the birth rate.
这将不再是理所当然的了,随着结婚率下降,导致出生率下降。
The birth rate among teens overall in the United States is rising after 14 years of decline.
美国青少年人群中的婴儿出生率在经历十四年的持续下降之后开始上升。
Had it maintained the same birth rate as Britain since 1800, France would today have 150m people, surpassing Russia.
如果其从1800年以来,一直保持与英国相同的人口出生率的话,今天法国会有1.5亿人,比俄罗斯还多。
SPIEGEL: Well, most young Arabs can now read and write, but how is the birth rate actually developing?
镜报:大多数阿拉伯年轻人都有读写能力,那么出生率到底是如何演变的呢?
Perhaps this also explains why Germany, despite its catastrophic birth rate, has so much trouble with immigration, and yet vastly outpaces France with its technical and industrial capabilities.
也许这也同样解释了为什么德国面对灾难性的生育率,仍然如此排斥移民,而它在技术和工业能力上又远远超过了法国。
Tajikistan had an particularly high birth rate and the highest rate of population increase of all the former Soviet republics.
塔吉克斯坦有着特别高的出生率,也是所有前苏联国家中人口增长最快的。
Under normal circumstances, it takes perhaps a generation for the birth rate to drop with increasing wealth, whereas carbon emissions go up very quickly.
在通常情况下,伴随着财富增长的生育率下降大约需要一代人的时间来实现,而碳排放则增长极为迅速。
Statistics show Scotland to be one of the least enterprising parts of Britain, with a business birth rate about a third lower than the average.
数据表明苏格兰是英国最不具事业心的地区之一,该地区的新生企业数量比平均水平要低三分之一。
Between 1947 (when abortion was legalised) and 1957, the birth rate was cut in half due to abortions.
1947年(当时人工流产已经合法化)到1957年间,因为流产手术,出生率减半。
A: In Europe, what people really care about is not the marriage rate but the birth rate.
回答:在欧洲,人们真正关心的不是结婚率而是出生率。
One of her major tasks will be to encourage family-friendly policies to boost Japan's low birth rate.
福岛的主要任务之一将是鼓励“家庭友好”政策,提高日本的出生率。
They started something that you may have heard of called the Baby Boom, so the birth rate shot way up and everyone wanted a home.
你们应该听说过那时候开始的,所谓的婴儿潮,出生率激增而且每个人都想要一套房子。
They started something that you may have heard of called the Baby Boom, so the birth rate shot way up and everyone wanted a home.
你们应该听说过那时候开始的,所谓的婴儿潮,出生率激增而且每个人都想要一套房子。
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