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    A Fractal City-Gravity Model Based on Correlation Function Revision and Development of Reilly-Converse's Model
    基于互相关函数的分形城市引力模型——对Reilly-Converse引力模型的修正与发展
    The Gravitational Models of Franctal Cities: Theoretical Basis and Applied Methods
    分形城市引力模型的一般形式和应用方法——关于城市体系空间作用的引力理论探讨
    Partition of metropolitan circles of Liaoning based on new gravitational models of cities
    新城市引力模型下辽宁省城市圈的划分
    By application of New Gravitational Models of Cities a new city composition 14 cities in Liaoning province are analysed.
    并运用新城市引力模型对辽宁省14个城市进行数据分析,并以沈阳与大连两个优势城市为中心计算城市引力
    Analyses on city`s attraction fact of municipality directly under the central government
    我国直辖市城市引力因素的变化分析
    4. The economic relationship among Nanjing Metropolitan and the gravitation radius from core city are analyzed based on the Regional Inter-action Theory, and the bases of regional development for policy-making are founded on temporal and spatial analysis on regional character.
    4.运用区域空间相互作用理论,分析南京都市圈内部城市之间的经济作用力及核心城市的引力半径,从时空角度分析南京都市圈内区域空间特征及其发展变化规律,为其区域发展战略的制定提供依据。
    The theoretical foundation is laid and the applied methods are demonstrated for the gravitational models of fractal cities. The generalised urban gravitation expression is derived out as I ij =G ij M α i iM α j jr -b ij by means of the geographical fractal theory, especially, the city size output relationship, y=CP α.
    基于分形思想和城市规模—产出关系推导出城市引力模型的一般形式Iij=GijMαii MαjjR-bij ,论证了参数α和b的分维性质 ,并将引力系数定义为Gij=G|Rij| / ( 1+Sij) ,式中Rij为i、j两城市的相关系数 ,Sij为二者的相似系数 ,G为量纲转换系数。
    On the basis of these three basic laws,the formula for measuring the gravitation between cities should be revised as follows:the gravitation between two cities is in direct ratio to their quality and in inverse ratio to the square of their transportation costs.
    根据这三条基本规律 ,城市的引力公式应修改为 :两城市之间的引力与城市的质量成正比 ,与运输费用的平方成反比
 

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