The portlet responsible for showing content needs to determine what content (the identifier) to show based on a global request parameter.

负责显示内容的portlet需要根据全局请求参数来确定显示什么内容(哪个标识符)。

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Chaos optimization algorithm is a global search method of selecting SVMs parameters, simulations show that the proposed method is an effective approach for parameter selection.

混沌优化算法是一种全局搜索方法，将混沌优化算法应用于支持向量机参数选取问题中，仿真表明该方法的有效性。

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