凸闭曲线
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closed convex curve 卵形线
convex simple closed curve 凸简单闭合曲线
Local Closed Convex Curve 局部闭凸曲线
Global Closed Convex Curve 全局闭凸曲线
Simple closed convex curve 简单闭凸曲线
·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on geometry and convex set methods, this paper gives systemically the definitions of global and local convexity for planar closed parametric curve, and proves the two definitions are equivalent.
从几何和凸集的角度，系统地给出了平面闭参数曲线全局凸和局部凸定义，并且证明了这两个定义是等价的。
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