- urban population structure
- 城市人口: urban population
- 结构: structure; composition; cons ...
- 城市人口年龄结构: age composi-tion
- 城市人口: population of city; urban mass; urban population
- 人口结构: demographic structure; demographicstructure; populatio tructure; population characteristics; population profile; population structure
下载手机词典可随时随地查词查翻译