《狐狸与兔子》此程序可以模拟仿真狐狸与兔子的捕食与被捕食的种间关系，便于学习者通过程序更加透彻地了解其本质。-Fox and rabbit, this program can simulate the relationship between the predator and the prey of the fox and rabbit, which is convenient for the learners to understand the nature of the program mo