Logically partitioning and organizing model information within a model by grouping elements that correspond to a specific subject matter in the problem or solution domain.

通过对问题或者解决方案域中一个特定主题相对应的元素进行分组，逻辑上划分和组织模型信息。

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The history data are adopted to set up the classical and extensional matter elements. The dependent function is used to establish the prediction model .

利用负荷与三大产业的生产总值的历史数据构造经典域和节域物元，应用物元分析中的关联函数来建立电力负荷预测模型。

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The case proved that the prediction model based on the matter elements is an effective method in the load prediction.

实例分析表明，物元分析方法用于电力负荷预测是有效的。

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