Electric current gradient process was a new technique for testing the external coatings of the underground pipelines.

电流梯度法是一种地下管道外防护层检测的新技术。

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The trackability limitation of current gradient algorithm is discussed. A new algorithm, named variable parameter gradient estimation algorithm with local polynomial approximation is proposed.

本文分析了梯度辨识算法跟踪时变系统的缺点，提出了一种新的基于局部多项式逼近的变参数梯度估计算法。

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The size of current path, resistivity, power density are main factors that effect the temperature field and temperature gradient field at crack tip.

试件的通流尺寸、电阻率、导入电流密度是影响裂纹尖端温度场和温度梯度场的主要因素。

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Instead, the transistors operate on a gradient of electrical current.

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