通过定义实数区间的关系运算判断策略域之间的关系；

Through defining the relation operation in real number interval, determined the relation between policy fields.

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在讲复数运算之前，我们先来回顾一下实数离散傅里叶变换，强调一下它在某些情况下数学上很笨拙。

Before jumping into the complex math, let's review the real DFT with a special emphasis on things that are awkward with the mathematics.

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引入实数编码对鱼群算法进行改进，使之适用于模型的求解运算。

It put forward an improved application of artificial fish swarm algorithm based on real coding.

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