短語詞組短語Local Closed Convex Curve 局部閉凸曲線Simple closed convex curve 簡單閉凸曲線Global Closed Convex Curve 全局閉凸曲線convex closed curve [數(shù)]凸閉曲線convex simple closed curve 凸簡單閉合曲線 返回 closed convex curve