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两步移动搜寻法是公共服务设施空间可达性研究中的重要方法,在国内外公共服务设施布局研究中得到了广泛应用,且发展出了众多扩展形式。但国内研究中对两步移动搜寻法尤其是其扩展形式的应用还较为有限。本文对两步移动搜寻法的主要扩展形式进行系统梳理和总结,将国内外研究中提出的两步移动搜寻法扩展形式归纳为基于引入距离衰减函数的扩展、对搜寻半径的扩展、针对需求或供给竞争的扩展以及基于出行方式的扩展4类,并分析了各种扩展形式的优缺点、适用情景以及未来可能改进方向。旨在为相关研究的方法选择提供参考,促进两步移动搜寻法及其扩展形式在国内相关领域的应用和发展。
The two-step mobile search method is an important method in the research of spatial accessibility of public service facilities. It has been widely used in the research of public service facilities layout at home and abroad, and has developed many extended forms. However, the domestic research on the two-step mobile search method, especially its extended form of application is still relatively limited. This paper systematically sorts out and summarizes the main extensions of the two-step mobile search method. The extended two-step mobile search method proposed in the domestic and foreign research is summarized as an extension based on the introduction of a distance attenuation function, an extension of the search radius, Supply competition and extension based on the travel mode, and analyzed the advantages and disadvantages of various extensions, applicable scenarios and possible future improvement. The purpose is to provide reference for the choice of methods in related research and to promote the application and development of two-step mobile search method and its extended forms in related fields in China.