The choosing, crossing and variation operation are improved using real-coded schema.

采用了实数编码方案，对选择，交叉，变异等操作进行了改进。

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Figure 5 shows a variation on the earlier example where the ship operation has two input parameters whose types are Item and Address.

图5显示了前一示例的变体，其中ship操作有两个输入参数，其类型分别为Item和Address。

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A tracking estimation method of network equivalent parameters of facing nodes is researched with the variation of operation point.

该文研究了面向节点，随运行工况变动跟踪估计电网等值参数的方法。

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