The knowledge of the data structure is relatively abst ract. If we can let abstract knowledge directly perceived through the senses and give a good pic ture of it,it can unquestionably make our teaching get twice the result with half the effort.

• 《数据结构》课程的知识比较抽象 ,如果能让抽象的知识直观形象化 ,那一定能让我们的教学事半功倍。