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对其阳性克隆扩大培养，大量提取质粒，以T7，SP6为测序引物进行全自动正、反向测序确认。
T7 and SP6 were taken as sequencing primers for forward and backward sequencing identification automatically.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
特征变量是反向建模中的重要参数，对建模精度有很大影响，因此研究特征变量的提取方法是提高反向建模精度的关键。
Feature variables extraction is a very important issue for reversed modeling method, because feature variables have a great impact on the modeling accuracy.
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