planar mapping造句

• Existence of analytic invariant curves for a planar mapping near resonance
  一类平面映射在共振点附近的解析不变曲线的存在性
• Discussing the polygon union algorithms on the cgal and planar map platform . they are arrangement algorithm , incremental union algorithm and divide and conquer algorithm
  基于cgal的平面图，讨论了多边形合并算法：排列合并算法、增量合并算法以及divide与conquer算法。