This paper focuses on the box girder crack reason analysis and discussion on how to handle girder crack.

本文主要对箱梁裂缝产生的原因进行分析、讨论，并就如何处理箱梁裂缝做了较为详细的阐述。

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This article through drains the reason and the result analysis to the tax revenue, the countermeasure which the discussion and the research government tax revenue drains.

本文通过对税收流失原因及其结果的分析，探讨和研究治理税收流失的对策。

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This article takes on the theoretical analysis and discussion to it, in such aspect as the historical evolution, the formation reason. the regional character and the type constitution.

本文从历史沿革、形成原因、地域特点、类型构成几方面对其进行理论分析和探讨。

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