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.
方法对活禽市场分离的3株H3N8亚型鸭源流感病毒聚合酶PB1基因进行了序列分析。
Methods To illustrate the relationship of H3 subtype influenza virus with other subtypes, we carried out the sequence analysis of PB1 polymerase genes of three H3N8 subtype du.
电影的第一个序列是苔签名:一个长期,不间断的拉旺桶形了跟踪拍摄一个城市的街道,优美的混乱和危险的活。
The film's first sequence is a Carax signature: a long, unbroken tracking shot of Lavant barreling down a city street, beautifully chaotic and dangerously alive.
电影的第一个序列是苔签名:一个长期,不间断的拉旺桶形了跟踪拍摄一个城市的街道,优美的混乱和危险的活。
The film's first sequence is a Carax signature: a long, unbroken tracking shot of Lavant barreling down a city street, beautifully chaotic and dangerously alive.
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