The second chapter analyzes the characters of rack face, flank face and boundary wearing.

第二章分析了刀具前刀面、后刀面和边界磨损等磨损表面的特征。

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This paper presents a boundary estimation method of human face images.

提出一种估计图像中人脸边界的方法。

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In the solid modelling of boundary representation, if we store part adjacent entities for some entity, for example, a first edge for a face, topology structures from part relationships will result.

在以边界表示的实体造型中，如果为某实体元素保存部分的邻接实体元素，这便导致了部分关系的拓扑结构。

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That efficiency will be crucial if the US is to stay on the boundary of its production possibility frontier in the face of automatic cuts in federal spending that began last month.

FORBES: Manufacturing Is Moving America