代表的竞争对象技术公司进行了磋商期间OOPSLA ' 96，并选择方块代表班级超过格雷迪·布奇的布奇方法的符号使用云符号。

Representativesof competing Object Technology companies were consulted during OOPSLA '96, and chose boxes for representing classes over Grady Booch's Boochmethod's notation that used cloud symbols.

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为了勾勒点云的骨架或在点云上标记符号，提出一种基于手绘的点云表面曲线构造方法。

To outline the silhouette of point cloud or mark some special signs on it, a novel approach for creating curves on point cloud with free-hand sketch is presented.

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