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- According to the science of population, three elements that include low birth rate, low mortality rate and lengthening of life expectancy together cause the population ageing. 按照人口学的解释，人口老龄化现象产生的原因是低生育率、低死亡率和预期寿命的延长。
- The disadvantage influences have been taken to the development of our country's economy by the uninterrupted increase of the population gross and the speediness of population ageing. 人口总量不断增加和迅速老龄化给我国的经济发展带来了不利的影响。
- Ageing of the population continued. 人口持续老化。
- What is the population of this country? 这个国家的人口是多少？
- Disease has decimated the population. 疾病使大部分人死亡。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- How serious is china's population ageing? 中国的人口老龄化程度到底有多严重?
- The population of this country rose by 10 percent. 这个国家的人口增长了百分之十。
- The population in this area has increased fourfold. 该地区的人口已增加到四倍。
- He made a conservative guess at the population of London. 他对伦敦的人口作了一项保守的估计。
- The population of the city was thinned out by the black death. 这个城市的人口由于黑死病而减少了。
- The population of Tokyo is larger than that of London. 东京的人口比伦敦的多。
- Farm workers make up only a small section of the population. 农民只占人口的一小部分。
- The news of the epidemic struck terror into the population. 流行病蔓延的消息使居民感到恐慌。
- The population as a whole is/are in favour of the reform. 全体人民普遍拥护改革。
- The population of the city is close to a million. 这个城市的人口接近一百万。
- What is the population of Ireland? 爱尔兰人口有多少?
- The population density is evened out. 种群密度亦趋于均匀化。
- The population has increased from 1.2 million 10 years ago to 1.8 million now. 人口从10年前的120万已增加到现在的180万。
- The population aggregates a billion people. 人口总数达10亿。
