The topology and geometry of solid is represented by trimmed curve surface and half-edge data structure.

雕塑实体模型通过裁剪曲面片和半边数据结构来表达几何和拓扑信息。

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It is identical curve surface or curve in this paper. Business car engine's characteristics describe with mathematics' model.

本文采用曲线拟合及曲面拟合的方法，对商用车发动机外特性和发动机万有特性进行数学模型描述。

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This paper investigates several equiyalent propositions of minimal curve surface by means of the euler equation of calculus of variations .

本文通过变分法欧拉方程推导出极小曲面的几个等价命题。

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In addition to mastery of traditional calligraphy, the art of engraving requires a high degree of virtuosity, since the artist works on a tiny surface area where every curve, every thickness of line counts.

UNESCO: Culture

While the screen's surface is completely flat, the edges curve around gently, forming a rounded back.

ENGADGET: Nokia Lumia 620 review: precisely what an entry-level smartphone should be

In the past a product's shape alterations would be hammered out by designers in a surface-modeling program, a tool that allows for easy curve design and concept change.

FORBES: Easy Designer