说明：  膨胀的欲望。本程序是CDC绘图的一个例子，通过扩大的动态图案栩栩如生地模拟了膨胀欲 望。可供初学者学习。
(Expansion of desire. This procedure is an example, CDC drawing through expanded dynamic pattern lifelike simulate a person s desire to expansion. For beginners to learn.)