After world war ii there was a rapid development of technology, as well as a population boom . 第二次世界大战以后，技术有了高度发展，同时也出现了人口的大增长。
Lower tariffs and the growth of population and industry caused trade to soar in the 19th century . 较低的关税税率、人口的增长和工业的发展使19世纪的贸易突飞猛进。
I say that the power of population is indefinitely greater than the power in the earth to produce subsistence for man . 我认为，人口的力量显然大于地球为人类生产食物的力量。
Inflation means that nominal or money incomes per head is rising faster than real output per head . 通货膨胀的意思是，按人口的名义收入或货币收入的增长比按人口的实际产量的增长要快。
In the upswing of the long construction cycle, the rural exodus was directed internally to the industrial cities . 在一个长建设周期的繁荣阶段，农村人口的大批外流是流向国内各个工业城市。
Considerably more than half of those who moved into the cities went to places populated by twenty-five thousand people and upwards . 搬到城市里去的人当中，有一大半前往有两万五千人以上人口的地方居住。
We see that before 1650 it took nearly 35, 000 years, or about 1, 400 generations, for the world population to double . 我们可以看到，在1650年以前，世界人口的倍增，要经历将近35万年或近1400代人的时间。
In europe of the seventeenth and eighteenth centuries, rural areas were regarded as population springs and the cities as population sinks . 在十七，十八世纪的欧洲，农村地区被认为是人口的源泉，而城市则被看成是人口的渗水坑。
What governments and their people do today to influence our demographic future will set the terms for development strategy well into the next century . 今天各国政府和人民影响未来人口的做法如何，将会为顺利进入下一世纪的发展战略创造条件。
These changes in the industrial organization and in the distribution of population have been accompanied by corresponding changes in the habits, sentiments, and character of the urban population . 工业组织和人口分布中的这些变化同时也带来了城市人口的习俗、情感和品格的变化。
