1.
Fertility Decline and Imbalance of Sex Ratio under Birth Control;
生育控制下的生育率下降与性别失衡
2.
Changes in the Conditions of Fertility Control and Its Countermeasures;
中国生育控制条件变化及生育控制实践应对思考
3.
Impacts of Birth Control Policy on the Sex Ratio at Birth in China:A New Perspective
生育控制政策对人口出生性别比的影响研究
4.
An Analysis of the Theoretic Basis of Population Control in Urban Communities and the Fertility Control of Floating Population;
社区人口控制理论基础剖析——兼论流动人口的生育控制
5.
The Legal Control and Using of Surrogacy Generation
代孕生育合理控制与使用的法律规制
6.
internal controls of growth and development
生长及发育的内部控制因素
7.
The Study on the Control of Psychological Quality of University Students in PE Classes;
体育教学中大学生心理品质控制研究
8.
Immunocontraceptive Vaccine for Overpopulation Control in Lagurus lagurus;
免疫不育疫苗控制草原兔尾鼠生育的研究
9.
Study of Education Ecology Quality Control Idea in Higher Education Application;
教育生态质量控制理念在高等教育中的应用
10.
The Research of Microbial Agents to Control of Water Quality in Factory Breeding of Eriocheir sinensis
微生物制剂对河蟹育苗水质控制作用的研究
11.
birth control; fertility regulatio
节育,计划生育,节制生育
12.
family planning:a program to regulate the number and spacing of children in a family through the practice of contraception or other methods of birth control.
计划生育:通过避孕或其它控制生育的方法来控制每个家庭孩子的数量和间隔的计划.
13.
A program to regulate the number and spacing of children in a family through the practice of contraception or other methods of birth control.
计划生育：通过避孕或其它控制生育的方法来控制每个家庭孩子的数量和间隔的计划。
14.
Promoting the family-planning to control the population size and improve the health of the people
实行计划生育,控制人口数量,提高人口素质
15.
promotion of family planning to control the population size and improve the health of the people
实行计划生育、控制人口数量、提高人口素质
16.
The Intelligent Control on Air-suction Seeding System in the Seedling Production Line;
育苗生产线气吸式播种系统智能控制的研究
17.
Studies on Rhythm of Growth and Development and Quality Control Techniques of Angelica Sinensis at Medicinal Value Formative Period;
当归成药期生长发育规律及质量控制技术研究
18.
Research of Regulatory Mechamism of Anaerobic Processed Liquid of Livestock Manures on Development of Fruiting Vegetables;
沼液对果菜类蔬菜生长发育调控机制研究