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中文摘要：
经济基础理论是解释城市增长的经典理论之一，但实地数据的缺乏使得相关实证研究效果不佳。结合实地调查数据，从基本一非基本经济活动的视角对广州市批发市场的销售物流网络空间进行研究，得出基本经济活动与非基本经济活动的比率高达4．27，反映出城市经济活动外向性的特点；基本经济活动网络总体上形成了以广州为中心，珠三角和省外城市为重要支点的星型流动格局；非基本经济活动网络呈现出城市中部强、南北弱的货流格局。最后，采用R型和Q型因子分析方法，对销售物流网络进行流场识别，深入刻画网络的空间特征。结果显示销售物流网络中形成了一个综合活动场、五个基本活动场以及两个非基本活动场。
英文摘要：
Economic basic theory is one of the classical theories to explain the urban growth, but the lack of field data in empirical research leads to controversial results. Wholesale markets are important nodes in a city for its functions of trade and distribution; goods flow of markets is belong to the urban logistics activities. Based on the data of an investigation in Guangzhou wholesale markets, this paper analyses the spatial patterns of sales logistics network from the perspective of basic-nonbasic economic activity. The network is divided into two parts： the basic economic activity network and the nonbasic economic activity network. Results show that： 1）the ratio of basic to nonbasic economic activity is 4.27, reflecting the highly externally-oriented char- acter of the Guangzhou economy; 2）the network of basic economic activity shows a star-like pattern, which centers on Guangzhou city; the Pearl River Delta and other provinces are also important nodes both in the networks of urban-export and urban-import flow; 3）in the nonbasic economic activity network, goods flow mainly concentrates in the middle of the city, while distributes sparsely in the southern and northern parts. Fi- nally, in order to take an in-depth look at the spatial patterns, we identify the flow fields of the sales logistics network by using R-mode and Q-mode factor analysis. Results show that the network forms three kinds of ac- tivity fields, which include one comprehensive activity field, five basic activity fields and two nonbasic activi- ty fields. As part of the urban logistics activity, goods flow of wholesale markets has certain complexity; studying the spatial patterns of its sales logistics network can contribute to the optimization of the urban logis- tics activity and provide a reference to similar studies.
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