... polyhedral convex set多面凸集 closed convex surface闭凸曲面 polyhedral convex cone多面凸锥 ...
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local closed convex surface 局部闭凸曲面
global closed convex surface 全局闭凸曲面
closed convex hyper-surface 凸闭超曲面
Convex closed surface 凸闭曲面
·2,447,543篇论文数据，部分数据来源于NoteExpress
The hinge has a central portion (50) with a convex outer surface, with the lid closed and as viewed in side elevation, that blends with a smooth curvature into outer surfaces of the lid and the base.
所述铰链具有中心部分（50），在盖闭合时并且从侧面正视图观 察时中心部分（50）具有凸的外表面，所述凸的外表面以平滑曲率融 入所述盖和所述基体的外表面。
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