period of demographic transition
常見例句
- At the end of 20th century, the population development of China had entered into Post Demographic Transition Period, which is characteristic of low birth rate, low death rate and low growth rate.
20世紀(jì)末,我國人口發(fā)展進(jìn)入了以“低出生率、低死亡率和低增長率”為特征的“后人口轉(zhuǎn)變時期”。 返回 period of demographic transition