Low impedance and balanced output allow interference free performance even with long cable runs.

低阻抗平衡输出，让即使长电缆抗干扰性能运行。

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Electric currents: electric current, Ohm's law, conductivity, Kirchhoff's laws, time varying currents, free and forced oscillations, condensers, inductance, complex impedance, resonant circuits.

电流：电流，欧姆定律，电导率，基尔霍夫定律，时变电流，自由和强迫振荡，电容器，电感，复阻抗，谐振电路。

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An experiment on unconstrained (free) steady-state excitation has been made for the system mentioned by means of a transfer function analysis instrument, and impedance figure has been plotted.

作者用传递函数分析装置对上述系统进行了无约束(自由)的稳态激励试验、绘制了阻抗图。

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Power lines are extremely hostile places for data signals, with high levels of electronic noise and an obstacle course of transformers, surge arrestors and splices that create a huge impedance to the free flow of high-frequency signals.

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