珠江三角洲客货运量位序—规模分布特征及其变化
李涛, 曹小曙, 杨文越

Rank-size distribution and evolution of passenger and freight flows in the Pearl River Delta
Tao LI, Xiaoshu CAO, Wenyue YANG
图5 珠三角地区货运量位序—规模分布双对数拟合图
Fig.5 The ln-ln graph on rank-size of freight flow in the Pearl River Delta