论城市体系

本文从城市群体的空间分布型入手,对城市体系下了科学定义,并对我国城市体系区分为三个层次,即市域城市体系、中心城市经济区城市体系和国家或大区城市体系。作者对国外流行的柏克曼和齐夫-贝里城市体系模式作了介绍,并结合我国国情指出其适用性和局限性。最后,对作者提出的城市体系的级别-数日-规模对应模式进行了理论推导和实验论证,指出该模式适合我国城市化和城市发展的特点,特别对我国组织中心城市经济区的规划工作有助。

ON URBAN SYSTEMS

Urban system is the component of specific urban or regional planning in China as well as in other countries. This paper is concerned with the theoretical studies and practical tasks for urban structure and allocation in China's modernizations. First of all, the auther distinguishes urban groups into three types, centripetal concentration, centrifugal decentration and centripetal centrolization.Then the definition of urban system is regarded as a group of cities and towns which exists spatial interaction and composes an organized hierarchy.The author divides China's urban systems into three levels, system of city hinterland, system of nodal economic region and system of national territory or big region. M. Beckmann's urban hierarchy and C.Zipf's ranksize rule including B. Berry's empirical research are introduced in detail. The applicability and shortcomings of these models for China's planning are fully discussed.