The population problem is a world problem.
人口问题是一个世界性的问题。
Population problem is seen as a high priority.
人口问题被看成是一个重要问题。
Any population problem not only exists in its own system.
任何人口问题，都不仅仅是人口系统内部的问题。
First of all, people began to realize the population problem.
首先，人们开始认识到了人口问题。
The population problem may be the greatest one in the world today.
人口问题可能是当今世界上最大的一个问题。
The population problem may be the greatest one of the world today.
人口问题也许是当今世界上最严重的问题。
They never knew that the population problem would become so serious.
他们根本不知道人口问题会变得这么严重。
This course will further explain and analyze this world population problem.
这门课程将会进一步解释并分析这一世界人口问题。
Some have advocated such a procedure as a solution to the population problem.
有些人曾提倡把这一步聚作为解决人口问题的一项办法。
It is a crippling population problem that could be worse than any global economic slowdown.
人口年龄层失衡的问题，将比全球经济衰退更严重。
This is a major problem because Saudi Arabia is about to see its population explode.
这是个主要问题，因为沙特阿拉伯将要经历自己的人口激增。
Population growth will make the problem worse. So will climate change.
人口增加和气候变化都会让水危机恶化。
But by far our most serious problem is a declining and aging population.
但是到目前为止，我们最严重的社会问题是人口下降问题和老龄化的问题。
They never knew that population would become a big problem.
他们从没意识到人口会成为一个大问题。
They never knew that population would be a big problem.
他们从来没想过人口会成为一个大问题。
The problem, though, is that these are population studies.
问题是这些仅仅是人口调查。
The use of various energy sources is the final problem stemming from human population growth.
源于人口增长的最终问题是如何使用不同的能源资源。
They never knew that population would become a big problem.
他们从来都不知道人口问题将会成为一个大问题。
Injury is an important public health problem which threatens the health of elderly population.
伤害是危害老年人群健康的一个重大的公共卫生问题。
But an increasing population is an environmental problem in many countries.
但是日益增长的人口是许多国家的环境问题。
Aneuploidy in human population is a serious genetic problem.
在人类群体中非整倍性是个严重的遗传问题。
Thee Population Action International study gives several solutions to the water problem.
人口行动组织的研究报告为世界的水短缺问题提出了几个解决的办法。
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。
Housing problem comes hand in hand with population growth.
住房问题与人口增长出现齐头并进。
I would think that it's a problem without substantiation in large population studies.
没有大样本的人群研究结果作为支持，研究本身就会产生一些问题。
I would think that it's a problem without substantiation in large population studies.
没有大样本的人群研究结果作为支持，研究本身就会产生一些问题。
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