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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By introducing the nonlinear variation weight and mutational operation into the standard particle swarm algorithm to ensuring the overall convergence and enhance the accuracy of convergence.

在标准粒子群算法中引入非线性变化权重和变异操作来保证全局收敛并提高收敛精度。

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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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