... educational structurology 教育结构学 effect of population control 人口控制效果 effect of population growth 人口增长影响 ...
双语例句
1
The main purpose of this paper is to study the effectof time delay on populationgrowth.
这篇文章的主要目的是研究时滞对种群生长的作用。
2
Retirement effect — the increase (decrease) of the percentage of the population composed of individuals over 65 years of age induced by a low (high) population growth rate.
退休效应——由低(高)人口增率导致的个人超过65岁人口构成的增(减)的百分比率。
3
Age structure effect — Changes in the age distribution induced by the rate ofpopulationgrowth.