Based on the theory of complexity adaptive system, we build a cellular automata model to simulate the complex process of epidemic spread.

从复杂适应系统的观点，通过建立元胞自动机模型的方法模拟疾病传播这个复杂的过程。

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The theory of complexity shows that although a system may have an optimum state, it is sometimes so hard to identify that the system never settles there.

复杂性理论表明，尽管系统可能存在最优状态，但是有时候我们会发现系统从不处于最优状态。

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Based on the theory of Complexity Adaptive System (CAS), the process of a kind of infectious disease, SARS, from its breakout to tending stable under certain control, is investigated.

以复杂适应性系统理论为基本的指导思想，考察了传染病非典型性肺炎(SARS)的爆发流行以及受到控制趋于稳定的过程。

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The new rules return pensions to the complexity of string theory.

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This would seem to support the theory floated by several industry observers: the increased complexity of available smartphone plans in many European countries actually creates a psychological barrier for comparison shopping.

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And systems and complexity theory suggest strongly that a relatively small number is in play when it comes to the size of the critical mass of folks in whom lost confidence can have sweeping, cascading effects.

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