该程序可以对发动机试验数据进行分析和三次样条插值，绘制发动机特性曲线，辅助试验人员工作-The program can be carried out on engine test data analysis and cubic spline interpolation, curve drawing engine, supporting the work of testing personnel

绘制发动机外特性曲线；万有特性油耗曲线，包括等高线图、3D图。(Draw the characteristic curve of the engine; the universal characteristic curve of fuel consumption, including contour map and 3D.)