它在混乱与创造两者之间的张力之中移动，它被前者所损害，但被后者所丰富。
It moves in tension with both chaos and creativity, injured by the former and enriched by the latter.
存在两种优化问题，生产计划的优化和管理系统状态调整的措施的优化。前者已经引起人们的关注并且有了丰富的研究成果。
There exist two kinds of optimization, the optimization of plans of production and the optimization of measures in adjusting states of management systems.
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