出生率的例句（出生率在句子中的用法）

• Birth rates are notoriously difficult to predict. 众所周知，出生率是很难预测的。
• ...a falling birth-rate. 正在下降的出生率
• In the case of population growth this momentum can persist for decades after birthrates drop. 人口增长的这种势头在出生率下降后还可以持续四年.
• 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。
• Reduction of competition for food stimulates both natality and survival. 食物竞争的减少,刺激了出生率和存活力.
• Poverty and illiteracy go together with high birth rates. 贫困、文盲与高出生率密切相关。
• The birthrate in the city has been decreasing. 该市的出生率一直持续下降.
• The birthrate is on the decline. 出生率在下降.
• The birthrate is on the decrease. 人口出生率正在下降.
• 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。
• Maternity services were to be reduced in consequence of falling birth rates. 由于出生率下降，产科服务会随之削减。