Method for observing amp; controlling population by relevant variables 论相关变量人口测算法
“ under these circumstances it ' s essential to use policy to control population ” , zhang weiying explains “这种情况下,通过政府政策控制人口规模,非常必要。 ”
In my judgement , human beings may create a better and more peaceful future by controlling population growth and pollution 根据我的判断,人类通过控制人口增长和控制污染,将能创造出一个更好,更安宁的未来。
The country ' s family planning policy of the late 1970s restricted urban families from having more than one child to control population growth 70年代后,国家家庭计划政策限制城市家庭孩子不超过一个来控制人口。
The country ' s family planning policy of the late 1970s restricted urban families from having more than one child to control population growth 为控制人口增长,二十世纪七十年代我国计划生育政策仅限城市家庭生育一个孩子。