According to the demands of different layers, the solid models shape descriptor, dilation based multiresolutional skeleton (DBMS) graph was generated based on local dilation.

• 摘要针对不同层次需求，根据层次之间蔓延区域的属性，利用局部蔓延生成一种多层次蔓延骨架图的实体模型表示方法；