China's population base of marriage-age people will remain stable in the next few years, Song said.

宋说，未来几年，中国婚龄人口基数将保持稳定。

But the small population base punches well above its weight, perhaps more than any other country in the world.

但是，这个人口基数小的国家发挥的影响力远远超过了它的比重，也许比世界上任何其他国家都要大。

It has to be about serving a large population base.

它必须为大量人口服务。

Second, testing companies put together their reference populations based on academic research and other people that have taken genetic ancestry tests.

其次，测试公司根据学术研究和其他进行过遗传血统测试的人，将他们的参考人群放在一起。

The difference between now and a year ago was obviously we have vaccines for -- for a huge swath of our school based population.

目前和一年前相比，区别还是很大的，我们为大量校内人员接种了疫苗。

Statistical Inference: Probability serves as the foundation of statistical inference, enabling researchers to draw conclusions about populations based on sample data.

统计推断：概率作为统计推断的基础，使研究人员能够根据样本数据得出有关人群的结论。

The number of couples getting married will remain stable in the coming years, based on the huge population base in China, a Chinese demographic expert said.

一位中国人口专家表示，基于中国庞大的人口基数，未来几年结婚的夫妇数量将保持稳定。

But if Texas can continue growing its population base at a faster clip than California as it has been for the past 23 years now, for how much longer will California remain the top US state economy?

但是，如果德克萨斯州能够像过去 23 年那样继续以比加利福尼亚州更快的速度增长人口基数，那么加利福尼亚州作为美国第一大州的经济地位还能保持多久？

Australia, therefore, began the modern era of industrialization from a far far lower population base than any other of Earth's inhabited continents and since population growth tends to be exponential, Australia has been lagging behind the rest for centuries.

因此，澳大利亚是在人口基数远远低于地球上其他有人居住的大陆的情况下开始了现代工业化时代，而且由于人口增长往往呈指数级，澳大利亚几个世纪以来一直落后于其他国家。