【摘要】 城市是人口和经济的聚集地,区域城市体系在一定时空条件下具有分形特征,其分形生长在不同阶段所对应的规模容量和分维数(均衡度)有所不同。以柯尔莫哥诺夫容量维对西北地区城市体系人口和经济的规模容量及分维数进行了测算,绘制了其年际变化曲线,最后结合实际对各城市体系的特点和发展态势进行了概括。更多还原

【Abstract】 The city system of an area has the trait of fractal,and it has different capacity and fractal dimension in different evolution stage.The population and GDP capacity and fractal dimension of the northwest China is calculated by means of Kolmogorov capacity dimension and their annual changing curve is drawn.Finally, The fractal trait and the evolution state of each city system are summarized.更多还原