In this paper, the studies include two aspects, statistics and analysis of power quality indexes and a study on the method for energy metering with harmonics.
本文对电能质量指标统计分析和含谐波的电能计量方法两方面问题进行了研究。
Secondly, the paper studied some general visualization methods to express knowledge. The studies include the form and the reference model of knowledge visualization.
其次研究了知识可视化表达的一般方法，主要从知识可视化的形式和可视化参考模型两个角度来讨论；
Secondly, the paper studied some general visualization methods to express knowledge. The studies include the form and the reference model of knowledge visualization.
其次研究了知识可视化表达的一般方法，主要从知识可视化的形式和可视化参考模型两个角度来讨论；
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