今天上海市的常住人口中婴儿死亡率是千分之2.9,比纽约婴儿死亡率的千分之5.3要低许多。
全世界有更多的儿童接受中小学教育,许多国家的人口寿命延长,婴幼儿和产妇死亡率降低。
Around the world more children are attending primary and secondary school.
现代医疗技术及药理学研究的进步大大降低了人口死亡率。
We're dying less often because of the technological and pharmacological advances of modern medicine.
现代医疗技术及药理学研究的进步大大降低了人口死亡率。
We're dying less often because of the technological and pharmacological advances of modern medicine.
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