商业街在长期的发展中，形成了强烈的地域根植性，聚集了大量的人流，活力充沛。而随着商业经营的不断发展及经营模式的转变，商业功能逐渐向周边渗透，改变了周边的功能构成及空间形态，形成了以商业街为主体、周边共同参与的商业综合服务体系，呈现出明显的层级结构特征。这一结构由依托商业街形成的主体功能层，依托两侧住区形成的仓储、加工等商业功能辅助层，外围的居住等商业功能配套层，以及串联起各层的交通输配体系组成。层级结构的出现，是商业模式发展的直接表现，是在产业关联效应推动作用、线型空间模式促进作用及原有居住格局制约作用的共同影响下形成的。在实践中，应根据其规律及成因，进行有针对性的应对，以适当的管制措施促进整个片区的协调发展。%Commercial Street is a place of vitality and activities with local characters. Commercial Street impacts the development of its vicinity, and pushes the surrounding area into a comprehensive business system with a layered structure. In the system, the street is the core layer, storage and manufacturing space is the auxiliary layer, and residence is the supporting layer, with traffic networking joining them together. The layered structure reflects the business model decided by consumption, business rule, and original residential layout. In practice, particular measures shal be made for dif erent situations to promote coordinate development of the whole area.
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