What is the main effect of aging population?
什么是人口老化的主要影响？
The main idea of the report is poverty and its relationship to population issues.
报告的主要内容是贫困和它与人口问题的关系。
Married population is the main force of constructing the new type bearing culture.
婚育人口是新型生育文化建设中的生力军。
People born in the 1980s have become the main part of the mobile population.
80年代出生的人成为当今流动人口的主体。
The population growth is the main cause of urban problem.
人口的增长才是大城市问题的主要原因。
The population growth is the main cause of urban problem.
人口的增长才是大城市问题的主要原因。
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