Also analyzed are the deformation characteristics of the metal when conical roll is used and there exist both toe Angle and feed Angle.

分析了采用锥形轧辊，在辗轧角和送进角同时存在时金属的变形特点。

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Experimental results point out that the said copolymer electret film is a polar material, i. e. there exist both oriented dipoles and deposited space charges in the film after charging.

实验结果说明，拉伸前后的这类共聚物薄膜均是极性材料，即充电极化后的材料内部同时存在取向偶极子和俘获空间电荷。

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There exist both schema and context heterogeneity between distributed, heterogeneous data sources.

在分布异构的数据源之间不仅存在模式异构，而且存在上下文异构。

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But whatever doubts may exist over that, there was no questioning Mr McCain's moral clarity on two other issues this year, both concerning foreign policy.

ECONOMIST: The trouble with heroes