1.
China s Population of the Factors Affecting Fertility Statistical Research;
我国人口生育率影响因素的统计研究
2.
The Optimal Control on the Noncompetitive Fertility Rate for the Time-dependent Population Developing System;
时变人口发展系统非竞争人口生育率的最优控制
3.
Total age-specific fertility rate(TFR) population model of China and its alarm forecasting
我国人口增长的总和生育率模型及人口预警
4.
Regional Population Development Strategy at the Stage of Lowest-low Fertility;
超低生育率阶段的区域人口发展战略
5.
pro-natalist population policy
鼓励提高人口出生率的人口政策; 鼓励生育的政策
6.
Optimal control on competitive fertility rate for time-dependent population developing system;
时变人口发展系统竞争生育率的优化控制
7.
An Analysis of the Economic Effects of Population Development Under Low Fertility;
低生育率水平下人口发展的经济后果分析
8.
Demographers say a rate of 2.1 is needed to keep a population from declining.
人口统计学家指出，生育率必须达到2.1，才能防止人口减少。
9.
The Difficult Policy Decision of China s PopulationDevelopment in The 21st Century--The Outlook of Fertility,Population Size and Aging;
21世纪中国人口面临的艰难抉择──生育率与人口规模·老龄化的前瞻
10.
The birthrate is on the decrease.
人口出生率正在下降。
11.
International Fertility Societies
国际人口出生率学会
12.
ferility control program
人口出生率控制计划
13.
International Fertility Associatio
国际人口出生率协会
14.
the proportion of births to the population
相对于人口数的出生率
15.
Beijing's birthrate was 6.1 per thousand, death rate, 5.3 per thousand, and the natural population growth rate was 0.8 per thousand, down by 0.1 permillage points.
全市人口出生率为6.1‰，人口死亡率为5.3‰，人口自然增长率为0.8‰。
16.
The birth rate is the number of births compared to the number of the people.
出生率是出生数与人口数的比率。
17.
The population is leveling off in the area as a result of family planning.
由于实行计划生育，这一地区的人口增长率正在稳定下来。
18.
With the natural population growth rate down to 6.45, China has entered a new period of low and stable birthrate.
人口自然增长率降到６．４５‰，进入了稳定低生育水平的时期。