hierarchical diffusion meaning in Chinese

层级扩散

The paper analyses the law of services spatial diffusion in chongqing city , which is the law of business services spatial diffusion base on contagious diffusion hierarchical diffusion and base on the law of stochastic diffusion along the axes , and , according these principle , revise the unit factors score of business services calculated by using traditional way
由于重庆市地形复杂，江河阻隔，因此山城城市职能除表现为传染扩散规律外，更突出地表现为等级扩散和轴向随机扩散规律。文章依据这些原理对采用传统的方法得到的商服功能影响作用分进行修正，同时探讨了结点数动态变化时城市职能的空间扩散规律。