System adopt Visual C++ as program development language, try to quote the Object-Oriented idea and apply the Object-Oriented programming mode, so as to make the software read-in, record and output conveniently, and have even more readability, portability and maintainability. 本系统采用Visualc++作为结构计算语言,尝试引用面向对象的理念,采用面向对象的程序设计方法,使软件方便读入、记录及输出,且具有较好的可读性、可移植性、易维护性。