demographer中文什么意思

人口统计学家

人口学家

例句与用法

Demographers expect the global population to peak at around 10 billion ( it is now 6 . 5 billion ) by mid - century
生育学家预期全球人口将在本世纪中期达到100亿的顶点（如今是65亿）。
Demographers expect the global population to peak at around 10 billion ( it is now 6 . 5 billion ) by mid - century
人口统计学家预测，到本世纪中叶，世界人口总数将接近100亿（目前为65亿）。
One demographer has said the 300 millionth person would likely be a latino boy given current u . s . population trends
美国一位人口统计学家曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。
One demographer * has said the 300 millionth person would most likely be a latino boy given current u . s . population trends
美国一位人口统计学家曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。
This was the grim fact identified by thomas malthus , an english demographer , that a country ' s economic potential was limited by its food supply
这就是英国人口学家马尔萨斯发现的可怕事实：一国经济之潜力受制于食品的供应。