The environmental approach hypothesizes that states appear in certain environmental settings, settings which have a severe population problem or a shortage of agricultural land.
环境法假设国家是在特定的环境中出现的，这些环境存在严重的人口问题或农业用地短缺。
The population problem cannot be solved in a technical way, any more than can the problem of winning the game of tick-tack-toe.
人口问题就像赢得比赛一样，不能通过技术手段来解决。
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。
The population problem may be the greatest one of theworld today .
人口问题可能是当今世界最严重的问题。
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。
At the turn of the century, the population problem perplexes Russia.
世纪之交，人口问题困扰着俄罗斯。
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。
Population Problem is one of the important aspects in land bearing capacity studies.
人口问题是土地承载力研究的重要内容之一。
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。
If very large numbers of people would be exposed to a small risk, then you've got a population problem.
如果非常多的人暴露于这种小的风险中，那么面临的将是一个人群问题。
Lions and tigers and wolves will also come along, as without predators your wild herds would soon create a population problem.
狮子老虎和狼也会跟着来，因为没有了捕猎者你们的野外牧群很快会有数量问题。
In the circumstances, it's not convincing to argue about a city's population problem without keeping the national picture in mind.
在这种情况下，这是不能令人信服的争论一个城市的人口问题不符合国家图片铭记。
Nevertheless, most countries in Southern Africa, such as Botswana and South Africa, say they now have an elephant population problem.
尽管如此，很多南部非洲的国家，比如博茨瓦纳和南非都说，它们面临大象数目过多的问题。
The population problem and the problems of resources, environment, and grain will be the the chief problems man is to confront in the 21 century.
人口问题与资源、环境、粮食等问题将是21世纪人类社会面临的主要问题。
This article wants to attain the concern of actuality with the period and provides lessons to resolve the increasingly rigorous population problem in contemporary society.
本文旨在通过对明清时期大同地区人口与环境问题的初步研究，达到关怀现实、为解决当代社会日益严峻的人口问题提供借鉴的作用。
It is fair to say that most people who anguish over the population problem are trying to find a way to avoid the evils of overpopulation without relinquishing any of the privileges they now enjoy.
持平的说，大多数人为人口问题苦恼，要找出方法避免人口过多的邪恶，但不放弃他们正在享受的特权。
The problem is growing as the population of the state continues to expand.
随着该州人口的持续增长，这个问题也越来越严重。
It was argued that once hunter-gatherers had occupied the whole world, the population started to grow everywhere and food became scarce; agriculture would have been a solution to this problem.
有人认为，一旦狩猎采集者占领了整个世界，世界各地的人口就会开始增长，食物将变得稀缺；农业本来是解决这一问题的方法。
It was argued that once hunter-gatherers had occupied the whole world, the population started to grow everywhere and food became scarce; agriculture would have been a solution to this problem.
有人认为，一旦狩猎采集者占领了整个世界，世界各地的人口就会开始增长，食物将变得稀缺；农业本来是解决这一问题的方法。
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