Vector field topology simplification is another research topic brought into focus in recent years.

向量场的拓扑简化是近年来向量场可视化研究中的又一焦点问题。

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Is is necessary to abstract the topology information from preprocessed image while converting grid data into vector data.

栅格格式数据转换为矢量格式数据时必须提取原图像上包含的拓扑信息。

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A novel multilevel matrix converter is proposed, and its topology configuration, operating principles and space vector modulation technique are introduced.

提出了一种新颖的多电平矩阵变换器，介绍了其拓扑结构、工作原理和空间矢量调制技术。

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