词汇	穿透指数
释义	穿透指数医penetration index；PI
随便看	urban and rural population distribution urban and rural public transit urban and rural relation urban and rural relationship urban and rural resident urban and rural residential area urban and rural residential land urban and rural residents urban and rural savings deposits urban and rural schooling urban and rural settlement growth urban and rural sewage urban and rural sport Urban and rural staggered belt urban and rural stereotype urban and rural structure urban and rural system integration urban and rural tourism urban and rural trade fairs urban and rural water supple urban and rural water supply urban and rural wealth differences urban and rurual income difference Urban and suburb urban and suburban area