现在，只剩下高阻的钨核。

Now, only the tungsten core with its high resistance remained.

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对高阻的最好解释是干扰会引起明显误差的阻抗水平。

High impedance is best defined as the level at which interferences cause significant errors.

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由于电弧电阻非线性、时变性、高阻的特点，使得常规原理馈线保护中的阻抗保护、电流速断保护往往不能正确动作。

For the arc resistance is nonlinear and high, the conventional feeder protections, such as impedance protection and current protection, maybe fail to trip off.

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