A system dynamical mathematical model is established in theory, and an optimal performance pattern is fired.

从理论上建立了系统运行的动态数学模型，设定优化运行模式。

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This design USES fuzzy control theory which doesn't require exact mathematical model because of the randomness of the controlled objects in the current city traffic control system.

针对当前城市交通系统中的被控对象具有较大的随机性和偶然性，引入了不需要建立精确数学模型的模糊控制。

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Index system in mathematical quality is studied with attribute recognition theory.

用属性识别的理论研究数学质量的指标体系。

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Richard Goodwin tried his best to present a mathematical theory of such a disequilibrium system.

ECONOMIST: Economic reasoning