城市副食品购销网络空间结构模式

The Spatial Structure Model of Urban Non-staple Food Purchase and Sale Network

市场、副食品流、服务区是城市副食品购销网络的三个组成要素。它们相互联系、相互制约。市场是副食品流的集散地、服务区的核心，其布局不仅制约副食品流的流向和流量，而且影响到服务区的空间特性。副食品市场的合理布局是城市副食品购销网络空间结构优化的关键。

Market, flow of non-staple food and serviCe area are the three component element of urban non-staple food purchase and sale network. The rational allocation of non-staple food market is the key for the spatial structure optimization of urban non-staple food purchase and sale metwork.