再对武汉市规划实施的效果从社会经济环境上进行调查评判，找出问题，分析内在原因。

Then, the research analyses the effect of implementation of Wuhan urban-plan, including the impact of economy, society and entironment. Aiming at the questions, analyses internal reasons.

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第一章，论文考察了积极财政政策的实施背景，试图找出从1993年一直实施的紧缩性宏观经济政策转向积极财政政策的原因和内在逻辑。

In Chapter 1, the background under which the policy was conducted is studied and the reasons that the policy direction was changed from 1993 are found.

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找出国产榨辊比外国榨辊耐磨性低的原因主要是铸造与熔化水平低，铸件内在质量差造成的。

They have found a main reason of poor abrasion resistance of the first cane mill roller is due to its poor casting quality during melting and casting.

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