以下为句子列表：
英文: An impeller optimization method based on the 3-D viscous flow analysis was proposed, where the blade was parameterized using inverse design method and neural networks was adopted.
中文: 摘要利用反问题计算间接对叶片进行参数化并结合神经网络技术，建立了一种基于三维黏性流动分析的叶轮优化设计方法。
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英文: The crystal alignment in sample center is not obviously orientational, while the mica crystal in peripheral area is highly directionally aligned owing to the intense viscous flow of glass phase and rotation of mica crystal.
中文: 样品径向中心定向排列不明显，而靠近周边部位因玻璃相和云母晶体的强烈黏滞流变和转动，使云母晶体高度定向排列。
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