It is evident that the 3-d spatiotemporal sampling grid contains more information than 2-d still-frame sampling grid.
显然，三维时空采样比任何一个二维静态帧采样栅格包含更多的信息。
A new grid clustering method based on the random sampling is proposed in the dissertation.
提出一种新的基于随机抽样的网格聚类算法。
In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.
这种方法基于任意几何形状网格的抽样定理，利用六边形网格来实现空间离散化。
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