Most Middle Eastern countries have extremely high rates of population growth.
大部分中东地区的国家都有着极高的人口增长率。
The rate of population increase began to slow.
人口增长率开始减速。
The rate of population increase has been ratcheting downward.
人口增长率一直在步步下降。
The enormous increase of population will create many problems。
巨大的人口增长将产生很多问题。
The enormous increase of population will create many problems.
巨大的人口增长将产生很多问题。
We come next to the question of population.
再者，我们将接着讨论人口问题。
Economic efficiency analysis of population control.
人口控制的经济效益分析。
The density of population in this city is very high.
这个城市的人口密度非常高。
The effect of population on market is a complex one.
人口问题对市场的影响较为复杂。
The migration process is also the process of population urbanization .
人口迁移的过程即是人口城市化的过程。
To achieve this goal, one must have a knowledge of population genetics.
要达到这个目标，种群遗传学知识必不可少。
Successful these places may be, if success is measured by growth of population.
若城市兴旺是以人口增长来衡量，那么这些地方可能是兴旺的。
For example, the problem of population, resources, environment, and so on.
如人口问题、资源问题、环境问题，等等。
In the last few years, food production has kept well ahead of population growth.
在过去的几年时间，食物的生产量一直很好地保持在人口增长量之上。
The whole society has gained a better understanding of the issue of population.
全社会对人口问题的认识不断深化。
Change of rhizosphere effect was another important factor of population decline.
根际效应的改变是引起差巴嘎蒿种群衰退的又一重要因素。
The overgrowth of population presents a threat to the existence of human society.
人口过分增长对人类社会的存在构成了威胁。
China has already cut its rate of population growth by about one half since 1970.
自1970年以来，中国的人口增长率大约已经降低了一半。
The trends of population aging in China will have much effect on health security.
我国人口快速老龄化的趋势，将对我国的医疗保障带来诸多影响。
The demand is determined by the amount of population and the level of consumption.
需求由人口数量和消费水平决定。
But the overgrowth of population presents a threat to the existence of human society.
但是，人口过分增长对人类社会的存在构成了威胁。
Of course, the division of population age structure is comparative, but not invariable.
当然，对人口年龄结构的划分是相对的，而不是一成不变的。
Once upon a time, the passing of population milestones might have been cause for celebration.
过去，人口达到里程碑一度曾是可喜可贺的事情。
Birth defect is one of the key elements that seriously affect the quality of population.
出生缺陷是影响人口出生质量最重要的因素。
With the change of time and place, the economic effects of population growth will change.
受各种因素的影响，人口增长的经济效应可能依时间、地点而有明显的差异。
Population is the most fundamental factor in the big system of population, resources and environment.
人口是人口、资源与环境巨系统中最根本的因素。
Population is the most fundamental factor in the big system of population, resources and environment.
人口是人口、资源与环境巨系统中最根本的因素。
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