本文对轧辊弹性变形理论的几个重要问题进行了研究。

Several problems of theory about elastic rolls deformation were studied in this paper.

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事实表的设计中要解决几个重要问题。

There are several important issues to address in fact table design.

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事实表的设计中要解决几个重要问题。

There are several important issues to address in fact table design.

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