得到了上收敛群中元素的一些性质，利用这些性质证明了收敛群中某些子群的一些极大性质。
By use of these properties, we prove a kind of maximal property of subgroups in convergence group.
蚁群算法因其的分布式计算、快速收敛性能受到广泛的关注。
Ant colony algorithm gains a wide attention for its branch calculation and fast restraining abilities.
采用基于动态信息素更新策略的改进蚁群优化算法，在保证优化目标的基础上，迅速收敛并得到最优解，从而提高调度系统的可行性，增强系统稳定性。
Secondly, the algorithm based on the dynamic pheromone updating ensures the quick convergence and the optimal solution, thus improving the feasibility and the stability of the schedule system.
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