分形树的生成程序，用VC编程，有背景，可改变参数生成随机树和CAYLAY树-fractal tree formation process, with VC program, a background, can change the parameters generated random trees and tree CAYLAY

l system 算法和模拟的小程序，3D,植物的模型模拟，分形的算法-l algorithm and system simulation of small procedures, 3D plant model simulations, fractal algorithms

利用L文法系统绘制分形树，其中还包含一些用来学习的例子代码-L drawn using fractal tree grammar system, which also contains examples of code used to study