他把绳索在柱子上绕了三匝缠紧。
He passed the rope around the post three times to secure it.
利用有限元算法分析了三相电力变压器绕组各线匝在不同运行模式下电动力引起振动。
Based on finite element method (FEM), the vibration of power transformer windings caused by electrodynamic force is analyzed.
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
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