Whereas, the joint angle method, which can improve the Q-statistic plots method, is used to isolate the fault source on line employing the history fault knowledge.

联合角度法改进了传统的贡献图的诊断方法，通过对故障库中的故障知识的利用，能够在线的分离出发生故障的传感器。

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Study heterogeneity was evaluated using Q statistics and I and publication bias assessed with funnel plots and Egger's test.

异质性评价研究利用Q统计评估和发表偏倚采用漏斗图和埃格检验评估。

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