concave polygon

n.

凹多边形；

A linear-time algorithm for computing the voronoi diagram of a convex polygon
A Linear time algorithm for computing the Voronoi diagram of a convex polygon
Convex polygon-shaped all-glass multi-clad optical fiber and method of fabrication thereof
A regularity result for the Stokes problem in a convex polygon ☆
A method for the enumeration of various classes of column-convex polygons ☆
An Optimal Illumination Region Algorithm for Convex Polygons
Digital convexity, straightness, and convex polygons
Can minimum convex polygon home ranges be used to draw biologically meaningful conclusions?
An Optimal Illumination Region Algorithm for Convex Polygons
Method for creating spiral swath patterns for convex polygon shaped field boundaries