摘要
1949年之后,北京的行政区划经历了数次调整。北京地图收藏家魏有华先生为我们回顾了北京城区区级建制的形成及其在各个时期的变迁。
Since 1949,division of administrative districts in Beijing has undergone several adjustments.Mr.Wei Youhua,a collector in Beijing,reviews for us the formation of the district administrative system for Beijing city area and its changes in various periods.
