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。
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。
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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