Intelligent evaluation model for air quality based on C4.5 decision tree algorithm is established through the historical data of air pollutants and air quality classes in this article.
本文采用C4.5决策树算法构建空气质量评价系统，挖掘空气污染物和空气等级关系的历史数据，建立空气污染物-空气等级智能评价模型。
Based on intelligent report system's logic model, agent's evaluation and main coordination process are discussed and agent's evaluation formulae are defined.
基于智能报表系统的逻辑模型，探讨了代理的评价和主要协调过程，定义了代理的评价公式。
The model works well in intelligent evaluation of input and output performance for high-tech industrial zones.
利用区域映射神经网络模型对中国高新技术园区投入产出绩效进行智能评价，取得了较好的效果。
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