The population of those four countries and many other countries in West Europe is also going down.
这四个国家和西欧许多其他国家的人口也在下降。
Experts say drip irrigation is an innovation whose importance is growing, as climate change and rising population strain water supplies in many parts of the world.
专家表示，随着气候变化和人口增长对世界上许多地区的水资源供应造成压力，滴灌这种创新做法显得越来越重要。
Remarkably, despite significant differences in habitat and behavior, many species of lepidoptera have population cycles of similar length, between eight and eleven years.
值得注意的是，尽管鳞翅目昆虫在栖息地和行为上存在显著差异，但许多种类的鳞翅目昆虫的种群周期相似，在8到11年之间。
For many years I have studied global agricultural, population, environmental and economic trends and their interactions.
多年来，我一直在研究全球农业、人口、环境和经济趋势及其相互作用。
As a country boasting a vast territory and encompassing a large population, people in many places of China speak their own dialects.
中国幅员辽阔，人口众多，很多地方人们都说自己的方言。
Many people feel that volunteering to help feed, cloth, and employ the homeless reduces the population of those in need.
许多人认为，自愿为无家可归者提供食物、衣物并雇用他们减少了贫困者的数量。
There's some indications to suggest that the population of the Nightcap Oak has not declined over the last many hundreds of years.
一些迹象表明，过去数百年里夜冠橡树的数量并没有减少。
Shanghai has a larger population than that in many other cities.
上海的人口比其他许多城市都多。
Many believe the population is no longer a major threat to China's resources and environment.
很多人相信，对于中国资源环境来讲，人口已不再是主要威胁。
Spring Hill is a small community in the Tampa metro area with a big population of senior citizens and many hospitals and businesses that cater to them.
斯普·林希尔是坦帕市地铁区一个小社区，有大量的高龄人口，也有许多满足他们需要的医院和商业。
With an increasing elderly population in many countries, more people will be at risk of age-related visual impairment.
随着许多国家老龄人口不断增多，与年龄相关的视力损害高危患者也会增多。
The trend over the last 15 years has been for the poorest quintile of the population in many countries to have a declining share in national consumption.
过去15年期间的趋势是，许多国家中最贫穷的五分之一人口在全国消费中所占的份额不断减少。
The very success of many parts of the world in limiting population has sapped donors' enthusiasm.
正是许多国家有效地控制了人口的增长使得捐赠者热情减退。
In Fremont, as in many other such towns, the Hispanic population has surged.
在弗里蒙特，如同许多同类城镇，西班牙裔人口正快速猛增。
Ehrlich was right, though, that population would surge asmedical science spared many lives.
然而，埃利希说的不错，由于医学挽救了许多生命，人口将激增。
Africa is one of a few places in the world where wider use of nitrogen fertilizers makes sense to help feed the population, many researchers agree.
许多研究者认为，像非洲这样为数不多的地方大规模使用氮肥才对养育人口有意义。
A rapidly ageing population in many countries is also a contributing factor.
许多国家人口迅速老龄化也是一个促进因素。
It plans to relocate the town of Morococha, population 5, 397. Many, includingAncieta, don't want to leave.
这一计划将把人口为五千三百九十七人的莫罗科哈城整体搬迁，许多人，包括安奇塔，并不想离开。
Dissatisfaction is widespread among the more than 36m migrants in Guangdong, one-third of the provincial population, many of whom work in harsh conditions.
在广东，3600万外来工，约占全省人口的三分之一，普遍表示不满。其中许多人在恶劣的条件下工作。
On many islands the original population was decimated, or worse, by European contact.
由于欧洲人的入侵，使得许多岛屿土著人口遭到大量毁灭，或许情况比想像的还要严重。
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。
East Asia, of course, is a huge region, home to a third of the world's population and many very different cultures.
东亚显然是一个很广袤的区域，这里拥有世界上三分之一的人口和多种多样的文化。
And India, second only to China in the size of its population, has only a tenth as many researchers.
印度的人口规模仅次于中国，但其科研人员的数量仅为中国的十分之一。
And India, second only to China in the size of its population, has only a tenth as many researchers.
印度的人口规模仅次于中国，但其科研人员的数量仅为中国的十分之一。
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