population system control人口控制论
population n control人口控制
population scale control人口规模控制
Bring metropolitan population under control控制都市人口
Population system control of pest害虫的种群系统控制
Population Planning & Control人口计划和控制
total population control总人口对照
Environment and population control环境与人口控制
total bacteria population control总菌数控制
Economic efficiency analysis of population control.
Ⅲ、人口控制的经济效益分析。
参考来源 - 山东省人口控制经济效益研究N（名词） a policy of attempting to limit the growth in numbers of a population, esp in poor or densely populated parts of the world, by programmes of contraception or sterilization 人口控制