大米是世界上半数以上人口的主食。
Rice is the staple food of more than half the world's population.
有人担心人口的补充问题。
他那时在参加一个有关人口的国际研讨会。
He had been taking part in an international symposium on population.
随着人口的增长，食物成了一个问题。
这几乎是人口的一半。
这将有助于我们确定如何防止人口的进一步下降。
That should help us determine how to prevent further decline in the population.
迄今很少有关于全体人口的研究。
Little research so far has dealt with the general population.
他们仅代表了人口的一小部分。
估计大约美国人口的3%是素食者。
It is generally estimated that 3 percent of the American population is vegetarian.
最明显的变化是人口的构成。
所以，你便对婴儿人口的数量略知梗概。
And so you come up with pretty good proxies for the baby population.
对应增长人口的生存机制。
“新秩序的一代”包含着现有人口的一小半。
The “New Order generation” comprises less than half of the current population.
财富本身不一定能决定一国人口的健康水平。
Wealth alone does not have to determine the health of a nation's population.
对贫困人口的救助已经做了很多。
现在至少是当时人口的20倍。
华人占新加坡人口的76.8%。
老龄人口的增长却不是值得庆贺，反令人担忧。
But instead of being a cause for celebration, this increasingly elderly population is a worry.
并且提供了新的中国贫困人口的数字。
在冷战时期，敌对双方都是拥有巨大人口的大国。
In the cold war, the foes were both big countries with big populations.
人口的整体增长速度平均每年降低了0.57%。
The overall population growth rate was down 0.57 percent on an annual basis.
另一项更大的增长是非洲城镇人口的上升。
An even bigger source of growth will be the rise of the urban African consumer.
例如，伊拉克人口的年龄中值为19。5岁。
如今，大多数人属中产阶级，占总人口的52%。
The middle class is now in a majority, 52% of the population.
如今，大多数人属中产阶级，占总人口的52%。
The middle class is now in a majority, 52% of the population.
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