birth rate-
After the war there was a bulge in the birth rate .
战后出生率一度激增。
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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。
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The European country with the highest birth rate is Ireland
人口出生率最高的欧洲国家是爱尔兰。
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The UK has the highest birth rate among 15 to 19-year-olds in Western Europe .
在西欧，英国女性在15到19岁之间生育率最高。
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There has been a gradual increase in the birth rate .
出生率在逐渐增长。
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The Census revealed a decline birth rate .
人口普查显示出生率趋于降低。
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But while increasing health was a typical feature of the 20th century , declining birth rate could be a defining one of the 21st ．
然而，如果说20世纪的一个典型特征是人们更健康了，那对应21世纪的就是出生率下降。
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In a further twist , birth rate is highest in poorly educated rural areas and lowest in highly educated urban areas ．
更让人想不到的是，教育程度低的农村地区的出生率最高,而教育程度高的城市地区的出生率最低。
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Declining birth rate is a major problem in many developing regions too , which might cause catastrophic global shortages of work force within a few decades ．
出生率下降也是许多发展地区的一个主要问题,这可能在几十年内造成灾难性的全球劳动力短缺。
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Furthermore , around 50 % of the world 's population live in regions where the figure is now below the replacement level ( i.e.2.1 births per woman ) and almost all developed nations are experiencing sub-replacement birth rate ．
此外,约50%的世界人口生活在目前这一数字低于更替水平（即每名妇女生育2.1个）的地区,几乎所有发达国家都在经历次更替以下的出生率。
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Millions of middle-aged1 singles in Japan still live with their elderly parents and depend on them financially , research has revealed , contributing to the county 's falling birth rate and ageing population .
调查显示，日本有数百万中年单身族依然与年迈的父母同住，并在经济上依赖父母。这加剧了日本出生率的下降和老龄化负担。
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China would maintain a low birth rate , he said .
中国将保持低生育水平，他说。
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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。
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The best solution I think is to put the birth rate under control .
我认为的最佳的解答将投入出生率在控制之下。
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The birth rate among professional women is particularly low .
职业女性的生育率则更低。
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Promoting of quality of family planning and reducing of the birth rate
提高计划生育服务质量与降低生育率
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The Error Estimate of Stable Population Rate of Increase and Birth Rate
稳定人口增长率和出生率公式的误差估计
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Determination of stability in hard water work to stabilize the low Birth rate
在硬水中稳定性的测定努力稳定低生育水平
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The birth rate in this city is almost constant .
这城市的出生率几乎是不变的。
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Harvesting Model with Stage Structure and Nonlinear Birth Rate
非线性生育率阶段结构的收获模型
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A Research on the Relative Stability of Xinjiang 's Sexual Birth Rate
新疆出生人口性别比变化的相对稳定性研究
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Comparative Analysis of Twin Birth Rate Between the Chinese Women and American Women
中美两国妇女生育双胞胎率的比较分析
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The national birth rate has remained static for the last few years .
全国出生率近几年来保持稳定。
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We know the actual birth rate is more like 18 per thousand .
我们知道实际出生率更接近千分之十八这个数字。
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The birth rate in our country has been declining for several years .
我国人口的出生率几年来一直在下降。
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Recent decreased birth rate reach to this population aging in Japan .
近年来下降的出生率助长了日本人口老龄化问题。
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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。
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There has been a dramatic reduction in the birth rate .
出生率已大大降低。
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Lamb birth rate increased by 5.75 % ( P < 0.05 );
产羔率提高了5.75%（P<0.05）；
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The total birth rate has been decreasing gradually .
人口增长率逐年下降。