1.
The presentiment analysis of the endogenous very low fertility in our country;
对我国未来“内生型”极低生育率水平的预警分析
2.
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
3.
The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;
施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
4.
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。
5.
Effects of Dietary Crude Protein Content on the Gaoyou Ducks Growth Performance and the Nitrogen Retention Rate
日粮不同蛋白质水平对育成期高邮鸭生长性能及氮沉积率的影响
6.
Effects of different Copper Levels on Production Performance of Growing-Finishing Pigs,Apparent Digestibility and Excretion Rate of Copper in Excrement
铜水平对生长育肥猪生产性能及铜的表观消化率、粪铜排泄率的影响
7.
work to stabilize the low Birth rate
努力稳定低生育水平
8.
In 1990, of the non-agricultural population in China's urban localities, the total fertility rate of women dropped to 1.26, or 1.05 lower than the nation's average figure.
1990年，全国城镇非农业人口的妇女总和生育率已降到1.26，比全国平均水平低1.05。
9.
The Family Planning and Its Influence to Fertility Level in China;
我国生育政策及其对生育水平的影响
10.
An Analysis and Research on the fertility pattern of Henan Province in the era of below replacement fertility;
河南省低生育水平下的生育模式探讨
11.
The Village level FP Work and Stabilizing the Low fertility Level;
村级计划生育工作与稳定低生育水平
12.
Building Modern Fertility Culture and Stabilizing Low fertility Level;
建设现代生育文化与稳定低生育水平
13.
What happens to the sex ratio at birth if fertility is maintained at a low level depends on the evolution of son preference.
如果生育率维持在低水平上，出生性别比的前景取决于男孩偏好的演化。
14.
cumulative average gross fertility ratios by age groups
按年龄组统计的累积平均总生育率
15.
The rate of production must be keyed to the level of buying.
生产率必须配合购买水平。
16.
An Overall Analysis of the Productivity of Tourism in China;
我国旅游业劳动生产率水平总体评析
17.
Childbearing Preference of Women at the Bearing Age under the Low Birthrate,Chongqing City;
低生育水平下重庆市育龄妇女生育意愿透视
18.
"Since 1992, especially during the Ninth Five-Year Plan period (1996--2000), the total fertility rate of Chinese women has remained below the replacement level."
1992年以来特别是"九五"期间,我国妇女总和生育率保持在更低水平以下。