Demography
01
人口统计学, 人口统计研究
the statistical study of populations, including their size, distribution, composition, and changes over time due to factors such as birth, death, migration, and aging
例子
Demography plays a crucial role in understanding issues such as aging populations, urbanization, and immigration.
人口统计学在理解人口老龄化、城市化和移民等问题中起着至关重要的作用。
词汇树
demographic
demography
