improve the population quality 提高人口素质
optimize the population structure 优化人口结构
control the population size 控制人口数量
harmony of the population 人口和谐
natural growth of the population 人口自然增长
The Population Council 人口委员会
the population problem 人口问题 ; 关于人口问题
annual increment of the population 每年人口增加数
The Population Bomb 人口炸弹
Chapter two: The relation between the environment and the population is explored.
第二章:考察环境与人口的关系。
参考来源 - 唯物史观视野中的环境问题·2,447,543篇论文数据,部分数据来源于NoteExpress
He conjectured that the population might double in ten years.
他推测人口在十年后可能会增加一倍。
You will face the problems in the aging of the population that have never been faced before.
你们将面临前所未有的人口老龄化问题。
But the population of the animals known for their ability to travel far without much water has fallen sharply.
VOA: special.2009.01.13
When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.
如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值
The problem with--there's a problem with gambling behavior because in a certain fraction of the population we have pathological gambling.
赌博行为有个特殊情况,在人群中总会有一小撮人,我们称之为病态赌博
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