The guidelines that follow are designed to establish uniform standards for external communications and coordinate responsibility for the several forms of internal communications.
本政策规定原则如下，以建立对外沟通的统一标准及内部沟通协调任务的几种形式。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
通过采用对数极坐标映射，可将空间均匀取样得到的图像变换成非均匀取样的图像，从而减小冗余像素，压缩了搜索空间。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
在均匀格点的基础上，给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM)，并采用了完美匹配层(PML)边界条件。
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