At last, comparing with other valley-cities, this thesis indicated the model, characteristics and dynamical mechanism of development zone and urban spatial structure evolvement of Lanzhou city.
文章最后通过与同类型的河谷型城市的横向对比，揭示出开发区主导下的兰州城市空间结构演进的特征、模式和动力机制。
The study is based on information technology only, but the evolvement of enterprise spatial structure is affected by many factors.
但是，企业空间结构的演变是在多种因素的共同作用之下产生的，信息技术并不是决定因素。
T he research on the evolvement of the urban land spatial structure and the driving mechanism of the evolvement helps us to analyze problems about urban land utility from the foundation reason.
加强对我国城市土地空间结构演变及其驱动机制的研究，有助于我们从城市用地结构演变的根源分析问题。
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