电势，电位相对于电路中某一特定参照点或地面的属于电路中任何一点的单位电荷势能；电压。
The potential energy of a unit charge at any point in an electric circuit measured with respect to a specified reference point in the circuit or to ground; voltage.
电势，电位相对于电路中某一特定参照点或地面的属于电路中任何一点的单位电荷势能；电压。
The potential energy of a unit charge at any point in an electric circuit measured with respect to a specified reference point in the circuit or to ground; voltage.
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