遗传算法体现了生物进化中的四个要素，即繁殖、变异、竞争和自然选择。

Genetic algorithms shows four elements of biologic evolution: propagation, variation, competition and natural selection.

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对于交互式遗传算法的问题，即缺乏评价的一种方法测量的不确定性的方法，方法与灰度级的离散健身提出来处理这个问题。

For the problem that interactive genetic algorithms lack a way of measuring the uncertainty of evaluation, a method with grey level for discrete fitness is proposed to deal with this problem.

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