demographic transition是什么意思 demographic transition怎么读
demographic transition的相关资料
demographic transition的用法和样例
- The situation is analogous to Stage I of the demographic transition theory.
这相当于人口过渡论的第一阶段。 - In China family planning policies had accelerated the process of demographic transition.
在中国，计划生育政策加速了这种人口过渡过程。
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