Objective To observe and compare the structure of subcommissural organ and Reissners fibers.
目的观测和比较脊椎动物和人下连合器及莱斯内尔线(Re issner’s fiber)的组织结构特征。
To support recursion mechanisms in software architecture specification,it identifies the concepts of composite connector and dynamic role,and illustrates how it can be used to create dynamic extension of structure.
为了便于使用递归机制,引入了组合连接器和动态角色的概念,从而实现了动态体系结构的逐层展开。