After the war there was a bulge in the birth rate.
战后出生率一度激增。
America's birth rate fell to a record low last year.
美国去年的出生率降到了创纪录的最低点。
The European country with the highest birth rate is Ireland.
出生率最高的欧洲国家是爱尔兰。
Several factors have been adduced to explain the fall in the birth rate.
有几个因素已被援引来说明出生率降低的原因。
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。
Birth rate and the stork population are connected.
出生率与鹳的数量有关。
It's estimated that birth rate has dropped dramatically over the past decade.
据统计，在过去十年中，人口出生率急剧下降。
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。
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 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。
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。
生育率也在上升。
The birth rate in Europe is rising slightly
欧洲人口出生率略有上升
But lowering birth rate need not be so draconian.
但降低生育率无需如此严苛。
Tunisia now has a birth rate similar to that of France.
突尼斯目前的生育率与法国相仿。
India is one of the countries with a very high birth rate.
印度是出生率很高的国家之一。
Germany's population is ageing, and the birth rate falling.
德国的人口老化，出生率下降。
The birth rate among professional women is particularly low.
职业女性的生育率则更低。
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。
And the birth rate will almost certainly continue to fall there.
它的出生率几乎确定会持续下降。
But the birth rate is also connected to education and gender equality.
但出生率还与教育和性别平等有关。
The French run policies to increase the birth rate; the British do not.
法国实行增加出生率的政策；而英国没有。
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 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。
The out-of-wedlock birth rate among women who drop out of high school is 15%.
高中辍学的妇女中非婚生子女出生率为15%。
The decline of marriage is also contributing to the collapse in the birth rate.
结婚率下降也是人口出生率下降的原因之一。
In the meantime, however, the birth rate is falling dramatically in some cases.
但同时很多地方的出生率在急剧下降。
The rise has been caused by an increase in the birth rate and greater longevity.
人口的增加主要是因为出生率的上涨和寿命的延长。
As Indonesia prospers, its birth rate is falling; South Asia's remains very high.
随着印度尼西亚走向繁荣，该国的出生率正在下降，而南亚的出生率则依旧保持在很高的水平上。
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