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单词 Convex shape
释义

Convex shape

原声例句
自然杂志:科技

And this is a classical example of convex shapes.

这是凸形的经典示例。

英语百科

Convex polygon

An example of a convex polygon: a regular pentagon

A convex polygon is a simple polygon (not self-intersecting) in which no line segment between two points on the boundary ever goes outside the polygon. Equivalently, it is a simple polygon whose interior is a convex set. In a convex polygon, all interior angles are less than or equal to 180 degrees, while in a strictly convex polygon all interior angles are strictly less than 180 degrees.

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