convex x polygon凸多边形
orthogonally convex rectilinear polygon正交凸线多边形
convex parallel polygon平行凸多边形
convex spherical polygon凸球面多边形
minimum convex polygon method凸多边形法
contiguous convex polygon邻接凸多边形
normal convex polygon正常凸多边形
convex polygon fill凸多边形填充
a convex polygon凸多边形
In real-time update algorithm of nearest neighbor query of moving objects, safe area is always an irregular convex polygon which is difficult to solve.
在移动对象最近邻查询实时更新算法中，安全区一般是难以求解的不规则凸多边形。
参考来源 - 移动对象最近邻查询实时更新算法