About Wu Weijia
About 清華大学
About Tang Jingxian
About 清華大学建筑学院城市規画系
About Guoji Chengshi Guihua
About labor force
About People's Republic of China
About rural village
About built-up area
About population density
About high speed
About Federal Republic of Germany
About housing land
About urbanization
About sanitary sewage
About farm land
About statistical data
About depopulation
About 農村人口
About 社会基盤整備
About Urban planning in general,urban economics
About Agricultural economy,agricultural management
About 人口減少
About 地域
About 農村
About インフラ
About 整備戦略
About ドイツ
About 汚水
About 経験