实行计划生育、控制人口数量、提高人口素质的英文：
promote family planning and control the population size and improve the health of the people

promote是什么意思：
v. 提升；促进；发起；宣传

And the show will help promote it.
而这次展览会有利于促销它。

He is to promote by a presidential order.
他即将按主管策令升职。

He was promoted to manager.
他被提升为经理。

family是什么意思：
n. 家，家庭；家庭成员；家世；子女

family friction
家庭的不和

There are often many nuclear families in one extended family.
在一个扩大的家庭中往往有多个核心家庭。

Which of you is the baby of the family?
你们当中谁是家中年龄最小的人？

planning是什么意思：
n. 计划；计划制定

If you fail to plan, you plan to fail.
如果你不做计划，那就是在计划着失败。

imperative planning
急需的计划

planning parameter
规划参数；规划规范