感觉网络上面有很多写的非常不错现在先整理下网址，有时间看看然后整理出一份doc出来
http://www.iteye.com/magazines/53
http://active.tutsplus.com/tutorials/workflow/quick-tip-understanding-garbage-collection-in-as3/
http://blogs.adobe.com/aharui/2007/03/garbage_collection_and_memory.html
http://gskinner.com/blog/archives/2006/06/as3_resource_ma.html
