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ABSTRACT摘要    Cities are magnet for people and their center are a physical representation of the political and economic power of a society. Downtowns are places where objects and ideas converge, also acting as a balance for the urban structure organization: they attract flows and uses, presenting higher levels of vitality. The city of Teresina, in the state of Piauí (Brazil), has been the target of several projects intending to increase the efficiency of its urban physical space.  城市像磁铁一样吸引着人，城市的中心是一个社会政治和经济力量的物质表现。中心城区是物质和思想交汇的地方，也是城市结构组织的平衡点：它们吸引人流和使用，呈现出更高水平的活力。皮亚伊州（巴西）的特雷西纳市旨在通过一些项目，实现其提高其城市物理空间效率的目标。     The settlement, however, experience an urban sprawl process which results in a poor general connectivity scenario, high levels of urban voids and emergence of more distant neighborhoods far away from downtown. The effects are pronounced in mobility, generating direct and indirect impacts on the costs of transportation, housing/land and food: the quality of life progressively is reduced. Besides that, the proximity between Teresina and Timon, in the state of Maranhão, generates a complex dynamic that must be taken into account in any urban planning action.  然而，定居点经历了一个城市蔓延的过程，这导致了一个糟糕的总体连通性场景，较高的城市空隙和远离市中心的更遥远社区的出现。这种影响在流动性方面十分明显，对交通、住房/土地和食物的成本产生直接和间接的影响：生活质量逐渐降低。此外，在马拉尼昂州，特雷西纳和蒂蒙之间的距离很近，这产生了一种复杂的动态，这在任何城市规划行动中都必须加以考虑。     based on these premises, the paper analysis the configuration of Teresina-Timon urban system from the point of view of Space Syntax approach, observing the urban expansion along the period 2010-2018, as well as analyses the subsystems, based on the administrative division. The city center, which belongs to the northern administrative region, is also investigated as a subsystem, since it is an area that is currently target of many projects to promote its vitality.  在此前提下，本文以行政区划为基础，从空间句法的角度分析了特雷西纳-蒂蒙城市系统的形态，观察了2010-2018年间的城市扩展，并对其子系统进行了分析。属于北部行政区的市中心也被作为一个子系统进行调查，因为它是目前许多项目旨在提升其活力的目标区域。    Results have suggested that the geography of the urban site interferes in the configuration of the regions, and that the growing increasing distancesfrom downtown to others areas give rise to many emerging centralities. It has also been noted that the center of Teresina presents better Space Syntax performance when compared to other regions and the system as a whole. The analysis allows a better global-local comprehension, highlighting how the configurational perspective can support future projects.  研究结果表明，城市选址的地理位置干扰了区域的布局，而且从市中心到其他地区的距离越来越远，产生了许多新兴的中心地带。同时也注意到，与其他地区和整个系统相比，特雷西纳中心在空间句法分析中有更好的表现。这一分析有助于更好地理解全局和局部，突出了组构的视角如何支持未来的项目。

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