我们繁衍得如此之快，以至于人口数量威胁到地球的生态系统。
We are reproducing ourselves at such a rate that our numbers threaten the ecology of the planet.
二孩政策可以保证中国的人口数量。
Two child policy can guarantee the number of Chinese populations.
它的人口数量现在有增长的迹象。
随着经济发展，贫困人口数量正在减少。
The number of poor men is on the decrease as the economy is growing.
最终，人口数量将达到环境承载能力范围内。
Finally, the population will reach a size within the carrying capacity of the environment.
我想告诉你们有关人口数量的过去、现在和未来。那么让我们从一些问题入手。
I want to tell you about the past, present and future of the human population. So let's start with a few problems.
如果没有升级和新的技能力，桥梁、道路和电力系统就无法应对不断增长的人口数量。
Without upgrades and new capacity, bridges, roads and power systems are unable to cope with expanding populations.
土地不断受到人口数量增加所带来的压力，这些增加的人口需要土地提供食物和养料。
Expanding populations are subjecting the land to increasing pressures to provide them with food and fuel.
自20世纪90年代以来，人口专家预测人口数量将增长到90亿，然后增长放慢，甚至可能减少。
Since the 1990s, population experts have predicted the number would grow to nine billion before it begins to slow down and possibly decrease.
结果，广大民众的营养状况得到了极大的改善，人口数量在19世纪早期激增，因此从南欧向北欧的权利转移也得到了延续。
As a result, the nutrition of the general population improved tremendously and population soared in the early 1800s and so the shift of power from southern to northern Europe continued.
但这更多是一个人口数量的反应。
这相当于新泽西州的人口数量。
这个人数是基于人口数量的。
人口数量在增加，但供水量还是一样。
The population has increased, but the water supply is the same.
总体而言，世界人口数量正在日渐稳定。
税收会窒息人口数量日益缩小的年轻工人。
Taxes will suffocate the dwindling population of young workers.
我认为这些问题和行为比人口数量更重要。
I think those problems - behaviour - are more important than the size of the population.
下面是十大水资源濒危城市（按人口数量排名）
These are the ten largest cities by population that have the greatest chance of running out of water.
要想确定加沙目前的人口数量不是一件容易的事。
Not everyone finds it so easy to identify with Gaza's population.
在那四十年间，勒拿河畔的雅库特人口数量暴跌了70%。
In four decades the population of native Yakuts in the Lena basin collapsed by 70%.
以人口数量角度来说，它只相当于一座小城市的人口数量。
If you are referring to population size, however, that is the size of a small city.
十年内全世界将会有近500座城市的人口数量超过1百万。
Within ten years the world will have nearly 500 cities of more than 1m people.
以为的亚洲经济繁荣也得益于该地区劳动适龄人口数量的增长。
Previous Asian booms have been powered by a surge in the working-age population.
可通过普查和调查来估算人口数量，但这无法提供死亡原因信息。
Censuses and surveys can be used to estimate population Numbers, but do not provide information on causes of death.
更好的医疗护理以及更低的死亡率也在推升贫困国家的人口数量。
Better medical care and lower mortality boost poor-country population Numbers too.
这篇报道将视点聚焦于小麦还有人口数量对自然的影响。
This post focuses on wheat and the effect of our numbers on the environment.
显然，地理位置和人口数量不同也是造成各国统计结果不同的原因。
Obviously, some of the differences between countries are caused by differences in their areas and populations.
显然，地理位置和人口数量不同也是造成各国统计结果不同的原因。
Obviously, some of the differences between countries are caused by differences in their areas and populations.
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