TY - Acta Geographica Sinica A1 - ZHAO Meifeng,QI Wei,LIU Shenghe T1 - Spatial differentiation and formation mechanism of floating population communities in Beijing Y1 - 2018-07-31 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1494 EP - 1512 VL - 73 IS - 8 UR - {https://www.geog.com.cn/EN/10.11821/dlxb201808008} N1 - 10.11821/dlxb201808008 ER -