一种新的受限扩散凝聚模型--单向扩散凝聚模型DLUA，输入不同的参数可产生各种不同的图案，可作为辅助研究或教学演示。-a new pool of restricted diffusion model-- the proliferation of one-way model DLUA rally, importation of different parameters can produce a variety of designs, as a complementary research or