...阿鲸长巷 expression tree（表达式树） spanning tree（生成树） minimal spanning tree（最小生成树） weighted tree（加权树） Prim’s algori 2013-7-1 00:52 回复
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然后采用加权平均粗糙度的概念，作为选择分离属性的标准，构造电网故障决策树，从而实现对电网的故障诊断。
Then the decision tree of electric power grid diagnosis is built by using weighted mean roughness as separating attributes standard to realize electric power grid fault diagnosis.
实验结果表明该算法在减少非-DHT连接数量和降低树的加权半径方面相对于其它相关算法有了较大的改进。
The simulation results show that the algorithm gains a greater improvement than other corresponding algorithms on reducing non-DHT links and the weighted radius of multicast tree.
为提高决策的科学化程度，提出了一种改进的决策树生成算法加权id3，并将其应用于铝电解生产中出铝量的设定。
To make more scientific decision, an improved decision tree algorithm weighted ID3 is proposed and applied into the determination of aluminum tapping volume.
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