TY - GEOGRAPHICAL RESEARCH A1 - LU Xue-jun,ZHANG Hong-yan,GAO Zhi-qiang,PEI Tao T1 - The research on the unit hierarchical taper of regional geographic system Y1 - 2005-12-15 00:00:00.0 JF - GEOGRAPHICAL RESEARCH JO - GEOGRAPHICAL RESEARCH SP - 935 EP - 946 VL - 24 IS - 6 UR - {https://www.dlyj.ac.cn/EN/10.11821/yj2005060013} N1 - 10.11821/yj2005060013 ER -