Aiming at the irregular polygon characteristic of geologic units, polygon partition is proposed to extract gravity and magnetic data.

针对地质单元为不规则多边形这一特征，提出了多边形分区提取重磁数据的方法。

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Taking hull parts nesting as its background, auto packing problem and its solutions of two-dimensional irregular polygon are studied in this paper.

本文以船体零件套料为背景，研究了二维不规则多边形的自动排样问题及其方法。

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A single tablet is irregular polygon in shape which is 3-5 um long, 2-3um wide and 0.2-0.5um thick, the size is determined by the epithelial cells of the pearl sac.

组成霰石晶层的单元晶为长3-5微米、宽2-3微米和厚0.2-0.5微米的不规则多边形板块。板块的大小由珍珠囊上皮细胞的表面积决定。

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