Paivio s Dual Coding Theory, imagery system is a cognitive system that is interconnected to verbal system in a parallel manner.
根据Paivio的双编码说,心象系统是与言语信息相平行、相联系的认知系统。
Taking SQL Server as the platform,the depth-sorting algorithm for the double identity number tree-like data,realized by recursion,is explained in detail.
阐述了树形结构的数据在数据库中的两种存储方式单编号和双编号法,以及树形数据的排序算法。