在这一生活风格变迁的过程中，文化意义非常明显。
In the process of transformation of life style, the cultural significance is evident.
从网的关联矩阵以及所定义变迁发生序列的结构，求解结构活网的极小标识，得到了一个多项式时间算法。
A polynomial algorithm about minimal marking of structural live Petri nets is presented, it is based on incidence matrix and the constructive of transitions sequence.
应用推荐