Recursion arithmetic is improved by using C++ class object. An elicitation DFS arithmetic based on C++ class object is put forward and used for writing the program of orbit simulator.

• 采用 C++的类对象对递归算法进行改进 ,提出了一种基于 C++类对象递归带启发的深度优先搜索算法 ,并将其应用于轨道模拟盘软件的研制上