繁衍选择算法会查找weights数组，选择第一个双亲—其实，每个个体都有可能成为双亲，但是双亲位置的数目是确定的。

The breeding selection algorithm picks one parent by looking at the weights - in effect, every individual gets a chance to be a parent, but the number of parent slots is finite.

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结果，我们可以从一个双亲上随机选择某些位，其余的来自另外一个双亲。

The effect is that we pick random bits from one parent, and then the rest of the bits come from the other parent.

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我双亲不赞成我对大学的选择。

My parents disapprove of my choice of universities.

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