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.

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。

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The technique system of intelligent sketching is presented, including the pen based natural gesture interface, free-hand sketching input, sketching recognition and sketch based solid modeling.

构建出智能草图的技术体系，包括基于单笔划的自然手势界面，徒手草图输入，草图识别与基于草图的几何建模。

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The prosification of Wangzengqi's novels reflects in: literary sketch of figures; free hand brushwork in narration; subjectivity; structure freedom.

汪曾祺小说的散文化表现为：人物描写的散文化；叙述的写意性、观性；结构的随意性。

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