The maturity model matures from decentralization of project assignments at the lower level to the close loop at the higher level after undergoing through centralization processes in the middle stages.

成熟度模型是这样逐步成熟起来的：由较低层的项目分配向下，在经过中间阶段的集中过程之后，到较高层的封闭循环。

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This is not simply a problem of financial centralization or decentralization.

这不是个简单的财政集中分散的问题。

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There are three kinds of urban land use models such as decentralization model, centralization model, and compromise model which are discussed in modem urban planning theories.

从城市开发强度的主张角度看，现代城市规划理论可以划分为分散化、集中化与折衷化三大类。

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