Promotion of family planning to control the population size and improve the health of the people 实行计划生育的控制人口数量的提高人口素质
4.
China ' s family planning has always included the two aspects of controlling the population size and improving the population quality in terms of education and health 中国的计划生育,始终包含着控制人口数量和提高人口素质两个方面。