通过计算发现，磁场中的势能不同于通常意义的势能，它既可以是位置坐标的函数，也可以是时间的函数。
By calculating, it can be found that the potential energy in magnetic field is different from the normal potential energy, it is a function of both coordinates and time.
通过计算发现，磁场中的势能不同于通常意义的势能，它既可以是位置坐标的函数，也可以是时间的函数。
By calculating, it can be found that the potential energy in magnetic field is different from the normal potential energy, it is a function of both coordinates and time.
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