concave polygon [数] 凹多边形
decompose concave polygon 多边形分解
Concave Polygon Decomposing 凹多边形分解
equilateral semiregular concave polygon 等边半正凹多边形
concave spherical polygon 凹球面多边形
polygon concave 多边形
Exactly based on this idea, sub-model decomposition approach to concave polygon and hierarchical model weighted measure are presented.
本文正是基于这种分层的思想，定义了凹多边形的模式分解方法和分层加权测度模型。
This paper gives an algorithm of crossings between horizontal lines and the boundaries of a concave polygon by means of mere addition and subtraction.
本文给出了一种只用加、减运算就能求水平线与凹多边形边界交点的方法。
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